@article{LeinweberBlumenstein1996,
  author    = {Leinweber, Peter and Blumenstein, Oswald},
  title     = {Soil organic matter composition in sewage farms soils : investigations by carbon-13 NMR and pyrolysis-field ionization mass spectrometry},
  year      = {1996},
  language  = {en}
}
@article{BechmannBlumensteinBukowskyetal.1995,
  author    = {Bechmann, Wolfgang and Blumenstein, Oswald and Bukowsky, Heinz and Fischer, Franka and Kapp, Ingo and Kn{\"o}sche, R{\"u}diger and Leinweber, Peter and Portmann, Hans-Dieter and Schachtzabel, Hartmut and Schade, Wolfgang and Schneider, Ingo and Schubert, Rudolf},
  title     = {Wenn Abwasser die Landschaft ver{\"a}ndert ... : Fallstudie einer geo{\"o}kologischen Komplexuntersuchung kontaminierter Geosysteme},
  series = {Stoffdynamik in Geosystemen},
  volume    = {1},
  journal   = {Stoffdynamik in Geosystemen},
  publisher = {Loche},
  address   = {Berlin},
  pages     = {175 S.},
  year      = {1995},
  language  = {de}
}