@article{GIESKEBECKERBOeNINGetal.2005,
  author    = {GIESKE, M. and BECKER, G. and B{\"O}NING, T. and LOHSE, M.},
  title     = {Untersuchungen zur Phosphorr{\"u}ckgewinnung aus Kl{\"a}rschlamm},
  series = {Korrespondenz Abwasser},
  journal   = {Korrespondenz Abwasser},
  number    = {4},
  pages     = {431 -- 436},
  year      = {2005},
  language  = {de}
}
@article{SchmittBeckerFloresetal.2008,
  author    = {Schmitt, T. G. and Becker, M. and Flores, C. and Pfeiffer, E. and Sitzmann, D. and Uhl, M.},
  title     = {Modellkalibrierung zur Qualit{\"a}tssicherung von Kanalnetzberechnungen},
  series = {Korrespondenz Abwasser Abfall},
  volume    = {55},
  journal   = {Korrespondenz Abwasser Abfall},
  number    = {12},
  pages     = {1306 -- 1313},
  year      = {2008},
  language  = {de}
}