@book{UBHD-65873885,
  author={Beirle, Steffen},
  title={Estimating source strenghts and lifetime of Nitrogen Oxides from satellite data},
  year={2004},
  pages={167 S.},
  language={eng},
  note={Zsfassung in dt. Sprache},
  school={Heidelberg, Univ., Diss., 2004},
  keywords={Stickstoffoxide / Atmosph{\"a}re / Satellit},
  library={UB [Signatur: 2005 U 48] ; PY [Signatur: <PY> PY Diss. WS04/05-25]},
}
@book{UBHD-65898523,
  author={Beirle, Steffen},
  title={Estimating source strengths and lifetime of Nitrogen Oxides from satellite data},
  year={2005},
  pages={Online-Ressource (177 Seiten)},
  language={eng},
  school={Heidelberg, Univ., Diss., 2004},
  doi={10.11588/heidok.00005225},
  keywords={Stickstoffoxide / Atmosph{\"a}re / Satellit},
  url={http://www.ub.uni-heidelberg.de/archiv/5225},
  library={UB},
}