@book{UBHD-66618434,
  author={Gerhards, Holger},
  title={Ground penetrating radar as a quantitative tool with applications in soil hydrology},
  year={2008},
  pages={Online-Ressource},
  language={eng},
  school={Heidelberg, Univ., Diss, 2008},
  doi={10.11588/heidok.00008777},
  keywords={Elektromagnetische Reflexionsmethode / Bodenphysik / Wassergehalt ; Elektromagnetische Reflexionsmethode / Bodenphysik / Wassergehalt},
  url={http://archiv.ub.uni-heidelberg.de/volltextserver/volltexte/2008/8777},
  library={UB},
}
@book{UBHD-66617610,
  author={Gerhards, Holger},
  title={Ground penetrating radar as a quantitative tool with applications in soil hydrology},
  year={2008},
  pages={IV, 132, I - XVII Bl.},
  language={eng},
  note={Zsfassung in dt. Sprache},
  school={Heidelberg, Univ., Diss., 2008},
  keywords={Elektromagnetische Reflexionsmethode / Bodenphysik / Wassergehalt},
  library={UB [Signatur: 2008 U 891] ; PY [Signatur: <PY> PY Diss. WS08/09-11]},
}
@article{UBHD-68257196,
  author={Pan, Xicai and Wollschl{\"a}ger, Ute and Gerhards, Holger and Roth, Kurt},
  title={Optimization of multi-channel ground-penetrating radar for quantifying field-scale soil water dynamics},
  year={2012},
  pages={101-109},
  language={eng},
  issn={0926-9851},
  volume={82},
  note={Gesehen am 04.06.2018},
  journal={Journal of applied geophysics},
  doi={10.1016/j.jappgeo.2012.02.007},
}
@article{UBHD-69207678,
  author={Wollschl{\"a}ger, Ute and Gerhards, Holger and Yu, Q. and Roth, Kurt},
  title={Multi-channel ground-penetrating radar to explore spatial variations in thaw depth and moisture content in the active layer of a permafrost site},
  year={2010},
  pages={269-283},
  language={eng},
  issn={1994-0424},
  volume={4},
  number={3},
  note={Gesehen am 25.04.2024},
  journal={The Cryosphere},
  doi={10.5194/tc-4-269-2010},
}