@article{UBHD-68884361,
  author={Batenburg, Anneke M. and Walter, S. and Pieterse, G. and Levin, Ingeborg and Schmidt, M. and Jordan, A. and Hammer, Samuel and Yver, C. and R{\"o}ckmann, T.},
  title={Temporal and spatial variability of the stable isotopic composition of atmospheric molecular hydrogen},
  subtitle={observations at six EUROHYDROS stations},
  year={2011},
  pages={6985-6999},
  language={eng},
  issn={1680-7324},
  volume={11},
  number={14},
  note={Gesehen am 02.03.2022},
  journal={Atmospheric chemistry and physics},
  doi={10.5194/acp-11-6985-2011},
}
@article{UBHD-68384929,
  author={Bergamaschi, Peter and Hammer, Samuel and Levin, Ingeborg},
  title={Inverse modelling of European CH4 emissions during 2006-2012 using different inverse models and reassessed atmospheric observations},
  year={2018},
  pages={901-920},
  language={eng},
  issn={1680-7324},
  volume={18},
  number={2},
  note={Gesehen am 06.05.2019 ; Im Titel ist die 4 in CH4 tiefgestellt},
  journal={Atmospheric chemistry and physics},
  doi={10.5194/acp-18-901-2018},
}
@article{UBHD-68252202,
  author={Berhanu, Tesfaye A. and Hammer, Samuel},
  title={Estimation of the fossil fuel component in atmospheric CO2 based on radiocarbon measurements at the Berom{\"u}nster tall tower, Switzerland},
  year={2017},
  pages={10753-10766},
  language={eng},
  issn={1680-7324},
  volume={17},
  number={17},
  note={Gesehen am 15.05.2018},
  journal={Atmospheric chemistry and physics},
  doi={10.5194/acp-17-10753-2017},
}
@article{UBHD-68670411,
  author={Broquet, Gregoire and Chevallier, F. and Bréon, F.-M. and Kadygrov, N. and Alemanno, M. and Apadula, F. and Hammer, Samuel and Haszpra, L. and Meinhardt, F. and Morguí, J. A. and Necki, J. and Piacentino, S. and Ramonet, M. and Schmidt, M. and Thompson, R. L. and Vermeulen, A. T. and Yver, C. and Ciais, P.},
  title={Regional inversion of CO2 ecosystem fluxes from atmospheric measurements},
  subtitle={reliability of the uncertainty estimates},
  year={2013},
  pages={9039-9056},
  language={eng},
  issn={1680-7324},
  volume={13},
  number={17},
  note={Im Titel ist "2" in CO2 tiefgestellt ; Gesehen am 08.12.2020},
  journal={Atmospheric chemistry and physics},
  doi={10.5194/acp-13-9039-2013},
}
@article{UBHD-69240480,
  author={Eglinton, Timothy Ian and Graven, Heather D. and Raymond, Peter A. and Trumbore, Susan E. and Aluwihare, Lihini and Bard, Edouard and Basu, Sourish and Friedlingstein, Pierre and Hammer, Samuel and Lester, Joanna and Sanderman, Jonathan and Schuur, Edward A. G. and Sierra, Carlos A. and Synal, Hans-Arno and Turnbull, Jocelyn C. and Wacker, Lukas},
  title={Making the case for an international decade of radiocarbon},
  year={2023},
  pages={1-9},
  language={eng},
  issn={1471-2962},
  volume={381},
  note={Ver{\"o}ffentlicht: 09. Oktober 2023 ; Gesehen am 05.08.2024},
  journal={Philosophical transactions of the Royal Society},
  doi={10.1098/rsta.2023.0081},
}
@article{UBHD-68250024,
  author={Graven, Heather and Allison, Colin E. and Hammer, Samuel},
  title={Compiled records of carbon isotopes in atmospheric CO2 for historical simulations in CMIP6},
  year={2017},
  pages={4405-4417},
  language={eng},
  issn={1991-9603},
  volume={10},
  number={12},
  note={Im Titel ist  "2" tiefgestellt ; Gesehen am 07.05.2018},
  journal={Geoscientific model development},
  doi={10.5194/gmd-10-4405-2017},
}
@article{UBHD-68253025,
  author={Griffith, David W. T. and Hammer, Samuel},
  title={A Fourier transform infrared trace gas and isotope analyser for atmospheric applications},
  year={2012},
  pages={2481-2498},
  language={eng},
  issn={1867-8548},
  volume={5},
  number={10},
  note={Gesehen am 17.05.2018},
  journal={Atmospheric measurement techniques},
  doi={10.5194/amt-5-2481-2012},
}
@article{UBHD-68390038,
  author={Griffith, David W. T. and P{\"o}hler, Denis and Hammer, Samuel and Vardag, Sanam Noreen and Platt, Ulrich and Schmitt, Stefan},
  title={Long open-path measurements of greenhouse gases in air using near-infrared Fourier transform spectroscopy},
  year={2018},
  pages={1549-1563},
  language={eng},
  issn={1867-8548},
  volume={11},
  number={3},
  note={Gesehen am 21.05.2019},
  journal={Atmospheric measurement techniques},
  doi={10.5194/amt-11-1549-2018},
}
@article{UBHD-68220044,
  author={Griffith, David W. T. and P{\"o}hler, Denis and Hammer, Samuel and Vardag, Sanam Noreen and Platt, Ulrich and Schmitt, Stefan},
  title={Long open-path measurements of greenhouse gases in air using near-infrared Fourier transform spectroscopy},
  year={2017},
  pages={30 S.},
  language={eng},
  issn={1867-8610},
  volume={10(2017) Artikel-Nummer 272},
  number={30 Seiten},
  note={Gesehen am 21.05.2019},
  journal={Atmospheric measurement techniques discussions},
  doi={10.5194/amt-2017-272},
}
@article{UBHD-68703257,
  author={Hammer, Samuel and Konrad, Gerrit and Vardag, Sanam Noreen and Levin, Ingeborg},
  title={Assessment of a multi-species in situ FTIR for precise atmospheric greenhouse gas observations},
  year={2013},
  pages={1153-1170},
  language={eng},
  issn={1867-8548},
  volume={6},
  number={5},
  note={Gesehen am 13.10.2021},
  journal={Atmospheric measurement techniques},
  doi={10.5194/amt-6-1153-2013},
}
@article{UBHD-68274800,
  author={Hammer, Samuel and Kromer, Bernd},
  title={Compatibility of atmospheric 14CO2 measurements},
  subtitle={comparing the Heidelberg low-level counting facility to international accelerator mass spectrometry (AMS) laboratories},
  year={2017},
  pages={875-883},
  language={eng},
  issn={1945-5755},
  volume={59},
  number={03},
  note={Published online: 19 September 2016 ; Im Titel ist "14" hochgestellt und "2" tiefgestellt ; Selected papers from the 2015 Radiocarbon Conference, Dakar, Senegal, 16–20 November 2015 ; Gesehen am 27.06.2018},
  journal={Radiocarbon},
  doi={10.1017/RDC.2016.62},
}
@article{UBHD-68703266,
  author={Hammer, Samuel and Konrad, Gerrit and Levin, Ingeborg},
  title={Feasibility study of using a "travelling" CO2 and CH4 instrument to validate continuous in situ measurement stations},
  year={2013},
  pages={1201-1216},
  language={eng},
  issn={1867-8548},
  volume={6},
  number={5},
  note={Die Zahlen 2 und 4 sind im Titel tiefgestellt ; Gesehen am 13.10.2021},
  journal={Atmospheric measurement techniques},
  doi={10.5194/amt-6-1201-2013},
}
@book{UBHD-68098815,
  author={Hammer, Samuel and Levin, Ingeborg},
  title={Monthly mean atmospheric D14CO2 at Jungfraujoch and Schauinsland from 1986 to 2016},
  publisher={Universit{\"a}t},
  address={Heidelberg},
  year={2017},
  pages={1 Online-Ressource (1 File)},
  language={eng},
  note={Forschungsdaten, entstanden July, 1986 - November, 2016 ; Gesehen am 22.03.2017},
  doi={10.11588/data/10100},
  url={http://dx.doi.org/10.11588/data/10100},
  library={UB},
}
@book{UBHD-66524568,
  author={Hammer, Samuel},
  title={Quantification of the regional H 2 sources and sinks inferred from atmospheric trace gas variability},
  year={2008},
  pages={124 S.},
  language={eng},
  note={Zsfassung in dt. Sprache},
  school={Heidelberg, Univ., Diss., 2008},
  keywords={Heidelberg / Sauerstoff / Kontinuierliche Messung},
  library={UB [Signatur: 2009 U 471] ; PY [Signatur: <PY> PY Diss. SS08-1]},
}
@article{UBHD-68943300,
  author={Heiskanen, Jouni and Br{\"u}mmer, Christian and Buchmann, Nina and Calfapietra, Carlo and Chen, Huilin and Gielen, Bert and Gkritzalis, Thanos and Hammer, Samuel and Hartman, Susan and Herbst, Mathias and Janssens, Ivan A. and Jordan, Armin and Juurola, Eija and Karstens, Ute and Kasurinen, Ville and Kruijt, Bart and Lankreijer, Harry and Levin, Ingeborg and Linderson, Maj-Lena and Loustau, Denis and Merbold, Lutz and Myhre, Cathrine Lund and Papale, Dario and Pavelka, Marian and Pilegaard, Kim and Ramonet, Michel and Rebmann, Corinna and Rinne, Janne and Rivier, Léonard and Saltikoff, Elena and Sanders, Richard and Steinbacher, Martin and Steinhoff, Tobias and Watson, Andrew and Vermeulen, Alex T. and Vesala, Timo and Vítková, Gabriela and Kutsch, Werner},
  title={The integrated carbon observation system in Europe},
  year={2022},
  pages={E855-E872},
  language={eng},
  issn={1520-0477},
  volume={103},
  number={3},
  note={Gesehen am 18.07.2022},
  journal={Bulletin of the American Meteorological Society},
  doi={10.1175/BAMS-D-19-0364.1},
}
@article{UBHD-68640427,
  author={Kretschmer, Roberto and Gerbig, C. and Karstens, U. and Biavati, G. and Vermeulen, A. and Vogel, F. and Hammer, Samuel and Totsche, K. U.},
  title={Impact of optimized mixing heights on simulated regional atmospheric transport of CO2},
  year={2014},
  pages={7149-7172},
  language={eng},
  issn={1680-7324},
  volume={14},
  number={14},
  note={Im Titel ist "2" in CO2 tiefgestellt ; Gesehen am 25.09.2020},
  journal={Atmospheric chemistry and physics},
  doi={10.5194/acp-14-7149-2014},
}
@article{UBHD-68275719,
  author={Kuderer, Matthias and Hammer, Samuel and Levin, Ingeborg},
  title={The influence of 14CO2 releases from regional nuclear facilities at the Heidelberg 14CO2 sampling site (1986-2014)},
  year={2018},
  pages={7951-7959},
  language={eng},
  issn={1680-7324},
  volume={18},
  number={11},
  note={Published: 06 Jun 2018 ; Im Text ist 14 hochgestellt, 2 tiefgestellt ; Gesehen am 29.06.2018},
  journal={Atmospheric chemistry and physics},
  doi={10.5194/acp-18-7951-2018},
  url={http://dx.doi.org/https://doi.org/10.5194/acp-18-7951-2018},
  library={UB},
}
@article{UBHD-68098916,
  author={Levin, Ingeborg and Kromer, Bernd and Hammer, Samuel},
  title={Atmospheric [Delta] 14CO2 trend in Western European background air from 2000 to 2012},
  year={2013},
  pages={8 S.},
  language={eng},
  issn={1600-0889},
  volume={65(2013},
  note={Im Titel ist „2“ tiefgestellt, „14“ hochgestellt ; Gesehen am 22.03.2017},
  journal={Tellus},
  doi={10.3402/tellusb.v65i0.20092},
}
@article{UBHD-68660376,
  author={Levin, Ingeborg and Karstens, Ute and Eritt, Markus and Maier, Fabian and Arnold, Sabrina and Rzesanke, Daniel and Hammer, Samuel and Ramonet, Michel and Vítková, Gabriela and Conil, Sebastien and Heliasz, Michal and Kubistin, Dagmar and Lindauer, Matthias},
  title={A dedicated flask sampling strategy developed for Integrated Carbon Observation System (ICOS) stations based on CO2 and CO measurements and Stochastic Time-Inverted Lagrangian Transport (STILT) footprint modelling},
  year={2020},
  pages={11161-11180},
  language={eng},
  issn={1680-7324},
  volume={20},
  number={18},
  note={Gesehen am 12.11.2020},
  journal={Atmospheric chemistry and physics},
  doi={10.5194/acp-20-11161-2020},
}
@article{UBHD-68845856,
  author={Levin, Ingeborg and Karstens, Ute and Hammer, Samuel and Della Coletta, Julian and Maier, Fabian and Gachkivskyi, Maksym},
  title={Limitations of the radon tracer method (RTM) to estimate regional greenhouse gas (GHG) emissions},
  subtitle={a case study for methane in Heidelberg},
  year={2021},
  pages={17907-17926},
  language={eng},
  issn={1680-7324},
  volume={21},
  number={23},
  note={Gesehen am 20.12.2021},
  journal={Atmospheric chemistry and physics},
  doi={10.5194/acp-21-17907-2021},
}
@article{UBHD-69225810,
  author={Levin, Ingeborg and Hammer, Samuel and Kromer, Bernd and Preunkert, Susanne and Weller, Rolf and Worthy, Douglas E.},
  title={Radiocarbon in global tropospheric carbon dioxide},
  year={2022},
  pages={781-791},
  language={eng},
  issn={1945-5755},
  volume={64},
  number={4 vom: Aug.},
  note={Erste Online-Ver{\"o}ffentlichung von Cambridge University Press: 23 December 2021 ; Gesehen am 24.06.2024},
  journal={Radiocarbon},
  doi={10.1017/RDC.2021.102},
  url={https://doi.org/10.1017/RDC.2021.102},
  library={UB},
}
@article{UBHD-68286875,
  author={Levin, Ingeborg and Hammer, Samuel},
  title={Stadt, Land, Klima},
  subtitle={Messen f{\"u}r Europa},
  year={2018},
  pages={24-31},
  language={ger and eng},
  issn={0035-998X},
  volume={12},
  note={Gesehen am 19.07.2018},
  journal={Ruperto Carola},
  editor={Pfeiffer, Thomas},
  doi={10.17885/heiup.ruca.2018.12.23798},
  url={http://nbn-resolving.de/urn:nbn:de:bsz:16-heiup-ruca-237988},
  library={UB},
}
@article{UBHD-68955376,
  author={Levin, Ingeborg and Hammer, Samuel and Eichelmann, Elke and Vogel, Felix R.},
  title={Verification of greenhouse gas emission reductions},
  subtitle={the prospect of atmospheric monitoring in polluted areas},
  year={2011},
  pages={1906-1924},
  language={eng},
  issn={1471-2962},
  volume={369},
  note={Gesehen am 18.08.2022},
  journal={Philosophical transactions of the Royal Society},
  doi={10.1098/rsta.2010.0249},
}
@book{UBHD-69177644,
  author={Maier, Fabian and Levin, Ingeborg and Hammer, Samuel and Conil, Sébastien and Preunkert, Susanne},
  title={14C-based ΔffCO2 estimates for Heidelberg and OPE and input data for the Rhine Valley ffCO2 inversion (2019-2020)},
  publisher={Universit{\"a}t},
  address={Heidelberg},
  year={2023},
  pages={1 Online-Ressource (5 Files)},
  language={eng},
  note={Finanziert durch: ICOS Research Infrastructure, German Weather Service (DWD), VERIFY: 776810, Horizon 2020 Framework, German Federal Ministry of Transport and Digital Infrastructure ; Gesehen am 05.02.2024},
  doi={10.11588/data/GRSSBN},
  url={https://doi.org/10.11588/data/GRSSBN},
  library={UB},
}
@article{UBHD-68893353,
  author={Maier, Fabian and Gerbig, Christoph and Levin, Ingeborg and Super, Ingrid and Marshall, Julia and Hammer, Samuel},
  title={Effects of point source emission heights in WRF-STILT},
  subtitle={a step towards exploiting nocturnal observations in models},
  year={2021},
  pages={1-25},
  language={eng},
  issn={1991-9603},
  number={Preprint gmd-2021-386},
  note={Gesehen am 09.03.2021},
  journal={Geoscientific model development},
  doi={10.5194/gmd-2021-386},
}
@article{UBHD-69233773,
  author={Maier, Fabian and Levin, Ingeborg and Gachkivskyi, Maksym and R{\"o}denbeck, Christian and Hammer, Samuel},
  title={Estimating regional fossil fuel CO2 concentrations from 14CO2 observations},
  subtitle={challenges and uncertainties},
  year={2023},
  pages={1-24},
  language={eng},
  issn={1471-2962},
  volume={381},
  note={Ver{\"o}ffentlicht: 09. Oktober 2023 ; Im Titel ist die Zahl "2" tiefgestellt, die Zahl "14" hochgestellt ; Gesehen am 15.07.2024},
  journal={Philosophical transactions of the Royal Society},
  doi={10.1098/rsta.2022.0203},
}
@book{UBHD-68893352,
  author={Maier, Fabian and Gerbig, Christoph and Levin, Ingeborg and Super, Ingrid and Marshall, Julia and Hammer, Samuel},
  title={Heidelberg integrated samples 2018-2020 and pseudo power plant experiment results [data]},
  publisher={Universit{\"a}t},
  address={Heidelberg},
  year={2021},
  pages={1 Online-Ressource (5 Files)},
  language={eng},
  note={Gesehen am 09.03.2022},
  doi={10.11588/data/CK3ZTX},
  url={https://doi.org/10.11588/data/CK3ZTX},
  library={UB},
}
@incollection{UBHD-69177646,
  author={Maier, Fabian and R{\"o}denbeck, Christian and Levin, Ingeborg and Gerbig, Christoph and Gachkivskyi, Maksym and Hammer, Samuel},
  title={Potential of 14C-based versus ∆CO-based ∆ffCO2 observations to estimate urban fossil fuel CO2(ffCO2) emissions},
  year={2023},
  pages={1-30},
  language={eng},
  note={Im Titel ist die Zahl 14 hochgestellt, 2 jeweils tiefgestellt ; Gesehen am 05.02.2024},
  booktitle={EGUsphere},
  doi={10.5194/egusphere-2023-1239},
}
@incollection{UBHD-69177645,
  author={Maier, Fabian and Levin, Ingeborg and Conil, Sébastien and Gachkivskyi, Maksym and Denier van der Gon, Hugo A. C. and Hammer, Samuel},
  title={Uncertainty of continuous ∆CO-based ∆ffCO2 estimates derived from 14C flask and bottom-up ∆CO/∆ffCO2 ratios},
  year={2023},
  pages={1-31},
  language={eng},
  note={Im Titel ist die Zahl 2 jeweils tiefgestellt, 14 ist hochgestellt ; Gesehen am 05.02.2024},
  booktitle={EGUsphere},
  doi={10.5194/egusphere-2023-1237},
}
@article{UBHD-68433039,
  author={Major, István and Hammer, Samuel},
  title={Temporal variation of atmospheric fossil and modern CO2 excess at a Central European rural tower station between 2008 and 2014},
  year={2018},
  pages={1285-1299},
  language={eng},
  issn={1945-5755},
  volume={60},
  number={5},
  note={Radiocarbon & Diet 2 International Conference Aarhus, Denmark, June 20–23, 2017 ; Gesehen am 25.09.2019},
  journal={Radiocarbon},
  doi={10.1017/RDC.2018.79},
}
@article{UBHD-68868859,
  author={Petrenko, Vasilii and Martinerie, P. and Novelli, P. and Etheridge, D. M. and Levin, Ingeborg and Wang, Z. and Blunier, T. and Chappellaz, J. and Kaiser, J. and Lang, P. and Steele, L. P. and Hammer, Samuel and Mak, J. and Langenfelds, R. L. and Schwander, J. and Severinghaus, J. P. and Witrant, E. and Petron, G. and Battle, M. O. and Forster, G. and Sturges, W. T. and Lamarque, J.-F. and Steffen, K. and White, J. W. C.},
  title={A 60 yr record of atmospheric carbon monoxide reconstructed from Greenland firn air},
  year={2013},
  pages={7567-7585},
  language={eng},
  issn={1680-7324},
  volume={13},
  number={15},
  note={Gesehen am 20.01.2022},
  journal={Atmospheric chemistry and physics},
  doi={10.5194/acp-13-7567-2013},
}
@article{UBHD-68869958,
  author={Pieterse, Gerben and Krol, M. C. and Batenburg, A. M. and M. Brenninkmeijer, C. A. and Popa, M. E. and O'Doherty, S. and Grant, A. and Steele, L. P. and Krummel, P. B. and Langenfelds, R. L. and Wang, H. J. and Vermeulen, A. T. and Schmidt, M. and Yver, C. and Jordan, A. and Engel, A. and Fisher, R. E. and Lowry, D. and Nisbet, E. G. and Reimann, S. and Vollmer, M. K. and Steinbacher, M. and Hammer, Samuel and Forster, G. and Sturges, W. T. and R{\"o}ckmann, T.},
  title={Reassessing the variability in atmospheric H2 using the two-way nested TM5 model},
  year={2013},
  pages={3764-3780},
  language={eng},
  issn={2169-8996},
  volume={118},
  number={9},
  note={Gesehen am 24.01.2022 ; Im Titel ist die Ziffer "2" tiefgestellt},
  journal={JGR},
  doi={10.1002/jgrd.50204},
}
@article{UBHD-68696676,
  author={Ramonet, Montserrat and Hammer, Samuel and Levin, Ingeborg},
  title={The fingerprint of the summer 2018 drought in Europe on ground-based atmospheric CO2 measurements},
  year={2020},
  pages={? S.},
  language={eng},
  issn={1471-2970},
  volume={375(2020},
  note={Im Titel ist die Ziffer "2" tiefgestellt ; Gesehen am 08.02.2021},
  journal={Philosophical transactions},
  doi={10.1098/rstb.2019.0513},
}
@article{UBHD-69290927,
  author={R{\"o}denbeck, Christian and Adcock, Karina E. and Eritt, Markus and Gachkivskyi, Maksym and Gerbig, Christoph and Hammer, Samuel and Jordan, Armin and Keeling, Ralph F. and Levin, Ingeborg and Maier, Fabian and Manning, Andrew C. and Moossen, Heiko and Munassar, Saqr and Pickers, Penelope A. and Rothe, Michael and Tohjima, Yasunori and Zaehle, S{\"o}nke},
  title={The suitability of atmospheric oxygen measurements to constrain western European fossil-fuel CO2 emissions and their trends},
  year={2023},
  pages={15767-15782},
  language={eng},
  issn={1680-7324},
  volume={23},
  number={24},
  note={Im Titel ist "2" tiefgestellt, ; Online ver{\"o}ffentlicht: 22. Dezember 2023 ; Gesehen am 15.01.2025},
  journal={Atmospheric chemistry and physics},
  doi={10.5194/acp-23-15767-2023},
}
@article{UBHD-69091795,
  author={Salvador, Pedro and Artíñano, Begoña and Pio, Casimiro and Afonso, Joana and Legrand, Michel and Puxbaum, Hans and Hammer, Samuel},
  title={Evaluation of aerosol sources at European high altitude background sites with trajectory statistical methods},
  year={2010},
  pages={2316-2329},
  language={eng},
  issn={1873-2844},
  volume={44},
  number={19 vom: Juni},
  note={Gesehen am 30.06.2023},
  journal={Atmospheric environment},
  doi={10.1016/j.atmosenv.2010.03.042},
}
@article{UBHD-67738577,
  author={Vardag, Sanam Noreen and Hammer, Samuel and Levin, Ingeborg},
  title={Comparisons of continuous atmospheric CH 4, CO 2 and N 2 O measurements},
  subtitle={results of InGOS travelling instrument campaign at Mace Head},
  year={2014},
  pages={8403-8418},
  language={eng},
  issn={1680-7324},
  volume={14},
  note={Im Titel ist die 4 und die 2 tiefgestellt. ; Gesehen am 26.11.2014},
  journal={Atmospheric chemistry and physics},
  doi={10.5194/acpd-14-10429-2014},
  url={http://www.atmos-chem-phys.net/14/8403/2014/acp-14-8403-2014.pdf},
  library={UB},
}
@article{UBHD-68052154,
  author={Vardag, Sanam Noreen and Hammer, Samuel and Levin, Ingeborg},
  title={Evaluation of 4 years of continuous [delta] 13 C(CO 2) data using a moving Keeling plot method},
  year={2016},
  pages={4237-4251},
  language={eng},
  issn={1726-4189},
  volume={13},
  note={Gesehen am 17.11.2016 ; Im Titel ist die Zahl 13 hochgestellt, die Zahl 2 tiefgestellt},
  journal={Biogeosciences},
  doi={10.5194/bg-13-4237-2016},
  url={http://dx.doi.org/10.5194/bg-13-4237-2016},
  library={UB},
}
@article{UBHD-67747125,
  author={Vardag, Sanam Noreen and Hammer, Samuel and Sabasch, Michael and Levin, Ingeborg},
  title={First continuous measurements of [delta] 18 O-CO 2 in air with a Fourier transform infrared spectrometer},
  year={2014},
  pages={6501-6528},
  language={eng},
  issn={1867-8610},
  volume={7},
  note={Im Titel ist Delta als griechischer Buchstabe dargestellt. ; Im Titel ist die 18 hochgestellt und die 2 tiefgestellt. ; Gesehen am 12.12.2014},
  journal={Atmospheric measurement techniques discussions},
  doi={10.5194/amtd-7-6501-2014},
  url={http://dx.doi.org/10.5194/amtd-7-6501-2014},
  library={UB},
}
@article{UBHD-68614641,
  author={Vardag, Sanam Noreen and Hammer, Samuel and Sabasch, Michael and Levin, Ingeborg},
  title={First continuous measurements of δ18O-CO2 in air with a Fourier transform infrared spectrometer},
  year={2015},
  pages={579-592},
  language={eng},
  issn={1867-8610},
  volume={8},
  number={2},
  note={Im Titel ist Delta als griechischer Buchstabe dargestellt ; Im Titel ist die 18 hochgestellt und die 2 tiefgestellt ; Gesehen am 08.07.2020},
  journal={Atmospheric measurement techniques discussions},
  doi={10.5194/amt-8-579-2015},
}
@article{UBHD-68884965,
  author={Vogel, Felix and Thiruchittampalam, Balendra and Theloke, Jochen and Kretschmer, Roberto and Gerbig, Christoph and Hammer, Samuel and Levin, Ingeborg},
  title={Can we evaluate a fine-grained emission model using high-resolution atmospheric transport modelling and regional fossil fuel CO2 observations?},
  year={2013},
  pages={1-16},
  language={eng},
  issn={1600-0889},
  volume={65},
  note={Gesehen am 03.03.2022 ; Im Titel ist die Ziffer "2" tiefgestellt},
  journal={Tellus},
  doi={10.3402/tellusb.v65i0.18681},
}
@article{UBHD-69121042,
  author={Vogel, Felix and Hammer, Samuel and Steinhof, Axel and Kromer, Bernd and Levin, Ingeborg},
  title={Implication of weekly and diurnal 14C calibration on hourly estimates of CO-based fossil fuel CO2 ata moderately polluted site in southwestern Germany},
  year={2010},
  pages={512-520},
  language={eng},
  issn={1600-0889},
  volume={62},
  number={5},
  note={Im Titel erscheint die Zahl 14 hochgestellt und die Ziffer 2 tiefgestellt ; Gesehen am 12.09.2023},
  journal={Tellus},
  doi={10.1111/j.1600-0889.2010.00477.x},
}
@article{UBHD-69280351,
  author={Vogel, Felix and Hammer, Samuel},
  title={Ingeborg Levin (1953-2024)},
  subtitle={pioneer in radiocarbon and atmospheric research},
  year={2024},
  pages={1417},
  language={eng},
  issn={1095-9203},
  volume={383},
  number={6690 vom: M{\"a}rz},
  note={Gesehen am 04.12.2024},
  journal={Science},
  doi={10.1126/science.ado8559},
}
@article{UBHD-69252265,
  author={Worthy, Douglas E. J. and Rauh, Michele K. and Huang, Lin and Vogel, Felix and Chivulescu, Alina and Masarie, Kenneth A. and Langenfelds, Ray L. and Krummel, Paul B. and Allison, Colin E. and Crotwell, Andrew M. and Madronich, Monica and Pétron, Gabrielle and Levin, Ingeborg and Hammer, Samuel and Michel, Sylvia and Ramonet, Michel and Schmidt, Martina and Jordan, Armin and Moossen, Heiko and Rothe, Michael and Keeling, Ralph and Morgan, Eric J.},
  title={Results of a long-term international comparison of greenhouse gas and isotope measurements at the Global Atmosphere Watch (GAW) Observatory in Alert, Nunavut, Canada},
  year={2023},
  pages={5909-5935},
  language={eng},
  issn={1867-8548},
  volume={16},
  number={23 vom: Dez.},
  note={Gesehen am 10.09.2024},
  journal={Atmospheric measurement techniques},
  doi={10.5194/amt-16-5909-2023},
}
@article{UBHD-68999321,
  author={Yver Kwok, Camille and Pison, I. C. and Fortems-Cheiney, A. and Schmidt, M. and Chevallier, F. and Ramonet, M. and Jordan, A. and Søvde, O. A. and Engel, A. and Fisher, R. E. and Lowry, D. and Nisbet, Euan G. and Levin, Ingeborg and Hammer, Samuel and Necki, J. and Bartyzel, J. and Reimann, Stefan and Vollmer, M. K. and Steinbacher, M. and Aalto, T. and Maione, M. and Arduini, J. and O'Doherty, S. and Grant, A. and Sturges, W. T. and Forster, G. L. and Lunder, C. R. and Privalov, V. and Paramonova, N. and Werner, A. and Bousquet, P.},
  title={A new estimation of the recent tropospheric molecular hydrogen budget using atmospheric observations and variational inversion},
  year={2011},
  pages={3375-3392},
  language={eng},
  issn={1680-7324},
  volume={11},
  number={7},
  note={Gesehen am 19.12.2022},
  journal={Atmospheric chemistry and physics},
  doi={10.5194/acp-11-3375-2011},
}
@article{UBHD-69128966,
  author={Zazzeri, Giulia and Graven, Heather and Xu, Xiaomei and Saboya, Eric and Blyth, Liam and Manning, Alistair J. and Chawner, Hannah and Wu, Dien and Hammer, Samuel},
  title={Radiocarbon measurements reveal underestimated fossil CH4 and CO2 emissions in London},
  year={2023},
  pages={1-8},
  language={eng},
  issn={1944-8007},
  volume={50},
  note={Online ver{\"o}ffentlicht am 27. Juli 2023 ; Im Titel erscheinen die Ziffern "4" und "2" tiefgestellt ; Gesehen am 12.12.2023},
  journal={Geophysical research letters},
  doi={10.1029/2023GL103834},
}