@article{UBHD-68097532,
  author={Bohleber, Pascal and Klenk, Patrick and Hoffmann, Helene},
  title={Ground-penetrating radar reveals ice thickness and undisturbed englacial layers at Kilimanjaro's Northern Ice Field},
  year={2017},
  pages={469-482},
  language={eng},
  issn={1994-0424},
  volume={11},
  number={1},
  note={Gesehen am 20.03.2017},
  journal={The Cryosphere},
  doi={10.5194/tc-11-469-2017},
  url={http://dx.doi.org/10.5194/tc-11-469-2017},
  library={UB},
}
@article{UBHD-68242641,
  author={Bohleber, Pascal and Hoffmann, Helene and Kerch, Johanna},
  title={Investigating cold based summit glaciers through direct access to the glacier base},
  subtitle={a case study constraining the maximum age of Chli Titlis glacier, Switzerland},
  year={2018},
  pages={401-412},
  language={eng},
  issn={1994-0424},
  volume={12},
  number={1},
  note={Gesehen am 13.04.2018},
  journal={The Cryosphere},
  doi={10.5194/tc-12-401-2018},
  url={http://dx.doi.org/10.5194/tc-12-401-2018},
  library={UB},
}
@article{UBHD-68242642,
  author={Bohleber, Pascal and Hoffmann, Helene},
  title={Temperature and mineral dust variability recorded in two low-accumulation Alpine ice cores over the last millennium},
  year={2018},
  pages={21-37},
  language={eng},
  issn={1814-9332},
  volume={14},
  number={1},
  note={Gesehen am 13.04.2018},
  journal={Climate of the past},
  doi={10.5194/cp-14-21-2018},
  url={http://dx.doi.org/10.5194/cp-14-21-2018},
  library={UB},
}
@article{UBHD-68408609,
  author={Feng, Zhongyi and Bohleber, Pascal and Ebser, Sven and Ringena, Lisa and Schmidt, Maximilian and Kersting, Arne and Hopkins, Philip and Hoffmann, Helene and Aeschbach, Werner and Oberthaler, Markus K.},
  title={Dating glacier ice of the last millennium by quantum technology},
  year={2019},
  pages={8781-8786},
  language={eng},
  issn={1091-6490},
  volume={116},
  number={18},
  note={Gesehen am 15.07.2019},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  doi={10.1073/pnas.1816468116},
}
@article{UBHD-68580340,
  author={Fewlass, Helen and Talamo, Sahra and Tuna, Thibaut and Fagault, Yoann and Kromer, Bernd and Hoffmann, Helene and Pangrazzi, Caterina and Hublin, Jean-Jacques and Bard, Edouard},
  title={Size matters},
  subtitle={radiocarbon dates of <200 [mu]g ancient collagen samples with AixMICADAS and its gas ion source},
  year={2018},
  pages={425-439},
  language={eng},
  issn={1945-5755},
  volume={60},
  number={2},
  note={Published online by Cambridge University Press: 07 November 2017 ; Im Titelzusatz ist [mu] als griechischer Buchstabe dargestellt ; Gesehen am 25.05.2020},
  journal={Radiocarbon},
  doi={10.1017/RDC.2017.98},
}
@book{UBHD-68469984,
  author={Freitag, Johannes and Kerch, Johanna and Hoffmann, Helene and Spaulding, Nicole and Bohleber, Pascal},
  title={XCT density from the Alpine ice core KCC (2013)},
  publisher={PANGAEA - Publishing Network for Geoscientific and Environmental Data},
  address={Bremerhaven, Bremen},
  year={2018},
  pages={1 Online-Ressource (29003 data points)},
  language={eng},
  note={Gesehen am 19.12.2019},
  doi={10.1594/PANGAEA.887691},
}
@book{UBHD-67988604,
  author={Hoffmann, Helene},
  title={Micro radiocarbon dating of the particulate organic carbon fraction in Alpine glacier ice},
  subtitle={method refinement, critical evaluation and dating applications ; this work is dedicated to Dietmar Wagenbach, who was the main advisor of this project and sadly did not live to see this work finished},
  address={Heidelberg},
  year={2016},
  pages={1 Online-Ressource (184 Seiten)},
  language={eng},
  school={Dissertation,  Universit{\"a}t Heidelberg,  2016},
  doi={10.11588/heidok.00020712},
  url={https://nbn-resolving.org/urn:nbn:de:bsz:16-heidok-207128},
  library={UB},
}
@book{UBHD-67999607,
  author={Hoffmann, Helene},
  title={Micro radiocarbon dating of the particulate organic carbon fraction in Alpine glacier ice},
  subtitle={method refinement, critical evaluation and dating applications : this work is dedicated to Dietmar Wagenbach, who was the main advisor of this project and sadly did not live to see this work finished},
  address={Heidelberg},
  year={2016},
  pages={vii, 171 Seiten},
  language={eng},
  note={Mit einer Zusammenfassung in englischer und deutscher Sprache},
  school={Dissertation,  Ruperto-Carola University of Heidelberg,  2016},
  library={UB [Signatur: 2016 U 538]},
}
@article{UBHD-68496561,
  author={Hoffmann, Helene and Preunkert, Susanne and Legrand, Michel and Leinfelder, David and Bohleber, Pascal and Friedrich, Ronny and Wagenbach, Dietmar},
  title={A new sample preparation system for micro-14C dating of glacier ice with a first application to a high Alpine ice core from Colle Gnifetti (Switzerland)},
  year={2018},
  pages={517-533},
  language={eng},
  issn={1945-5755},
  volume={60},
  number={2},
  note={Gesehen am 04.03.2020 ; Published online by Cambridge University Press: 08 November 2017},
  journal={Radiocarbon},
  doi={10.1017/RDC.2017.99},
}
@article{UBHD-68263919,
  author={Hoffmann, Helene and Friedrich, Ronny and Kromer, Bernd},
  title={Status report: Implementation of gas measurements at the MAMS 14C AMS facility in Mannheim, Germany},
  year={2017},
  pages={184-187},
  language={eng},
  volume={410},
  note={Available online 14 September 2017 ; 14 im Titel ist hochgestellt ; Gesehen am 21.06.2018},
  journal={Nuclear instruments & methods in physics research},
  doi={10.1016/j.nimb.2017.08.018},
}
@book{UBHD-68469993,
  author={Kipfstuhl, Joseph and Hoffmann, Helene and Kerch, Johanna and Binder, Tobias and Erhardt, Tobias and Bohleber, Pascal},
  title={Visual stratigraphy linescanner images from the Alpine ice core KCC (2013)},
  publisher={PANGAEA - Publishing Network for Geoscientific and Environmental Data},
  address={Bremerhaven, Bremen},
  year={2018},
  pages={1 Online-Ressource (1008 data points)},
  language={eng},
  note={Gesehen am 19.12.2019},
  doi={10.1594/PANGAEA.887684},
}
@article{UBHD-68805239,
  author={Legrand, Michel and Preunkert, S. and May, Barbara Luise and Guilhermet, J. and Hoffmann, Helene and Wagenbach, Dietmar},
  title={Major 20th century changes of the content and chemical speciation of organic carbon archived in Alpine ice cores},
  subtitle={implications for the long-term change of organic aerosol over Europe},
  year={2013},
  pages={3879-3890},
  language={eng},
  issn={2169-8996},
  volume={118},
  number={9 vom: Mai},
  note={Dieser Artikel ist eine Erg{\"a}nzung zu May et al. [2013] doi:10.1002/jgrd.50200 und Guilhermet et al. [2013] doi:10.1002/jgrd.50201 ; Gesehen am 25.11.2021},
  journal={JGR},
  doi={10.1002/jgrd.50202},
}
@article{UBHD-68408451,
  author={Loveluck, Christopher and Hoffmann, Helene},
  title={Alpine ice-core evidence for the transformation of the European monetary system, AD 640-670},
  year={2018},
  pages={1571-1585},
  language={eng},
  issn={1745-1744},
  volume={92},
  number={366},
  note={Gesehen am 15.07.2019},
  journal={Antiquity},
  doi={10.15184/aqy.2018.110},
}
@article{UBHD-68754396,
  author={May, Barbara Luise and Wagenbach, Dietmar and Hoffmann, Helene and Legrand, M. and Preunkert, S. and Steier, P.},
  title={Constraints on the major sources of dissolved organic carbon in Alpine ice cores from radiocarbon analysis over the bomb-peak period},
  year={2013},
  pages={3319-3327},
  language={eng},
  issn={2169-8996},
  volume={118},
  number={8},
  note={Gesehen am 25.11.2021 ; Dieser Artikel ist eine Erg{\"a}nzung zu Guilhermet et al. [2013] doi:10.1002/jgrd.50201 und Legrand [2013] doi:10.1002/jgrd.50202},
  journal={JGR},
  doi={10.1002/jgrd.50200},
}
@article{UBHD-68576362,
  author={Mayewski, Paul A. and Kuli, A. and Casassa, G. and Arévalo, M. and Dixon, D. A. and Grigholm, B. and Handley, M. J. and Hoffmann, Helene and Introne, D. S. and Kuli, A. G. and Potocki, M. and Sneed, S. B.},
  title={Initial reconnaissance for a South Georgia ice core},
  year={2016},
  pages={54-61},
  language={eng},
  issn={1727-5652},
  volume={62},
  number={231},
  note={Gesehen am 13.05.2020},
  journal={Journal of glaciology},
  doi={10.1017/jog.2016.9},
}
@article{UBHD-68411249,
  author={Preunkert, Susanne and McConnell, Joseph R. and Hoffmann, Helene},
  title={Lead and antimony in basal ice from Col du Dome (French Alps) dated with radiocarbon},
  subtitle={a record of pollution during antiquity},
  year={2019},
  pages={4953-4961},
  language={eng},
  issn={1944-8007},
  volume={46},
  number={9},
  note={Gesehen am 23.07.2019},
  journal={Geophysical research letters},
  doi={10.1029/2019GL082641},
}
@article{UBHD-69006728,
  author={Preunkert, Susanne and Legrand, Michel and Stricker, P. and Bulat, S. and Alekhina, I. and Petit, J. R. and Hoffmann, Helene and May, B. and Jourdain, B.},
  title={Quantification of dissolved organic carbon at very low levels in natural ice samples by a UV-induced oxidation method},
  year={2011},
  pages={673-678},
  language={eng},
  issn={1520-5851},
  volume={45},
  number={2},
  note={Published on Web: 21/10/2010 ; Gesehen am 16.01.2023},
  journal={Environmental science & technology},
  doi={10.1021/es1023256},
}