@article{SeitzRistowKlemmetal.2004,
  author    = {Seitz, Birgit and Ristow, Michael and Klemm, Gunther and R{\"a}tzel, Stefan and Schulze, Gerhart and Hoffmann, Maik},
  title     = {Zur Verbreitung der Wildrosen und verwilderten Kulturrosen in Berlin und Brandenburg},
  issn      = {0724-3111 -},
  year      = {2004},
  language  = {de}
}
@article{RistowHerrmannIlligetal.2006,
  author    = {Ristow, Michael and Herrmann, Andreas and Illig, Hubert and Klemm, Gunther and Kummer, Volker and Kl{\"a}ge, Hans-Christian and Machatzi, Bernd and Raetzel, Stefan and Schwarz, R. and Zimmermann, Friedrich},
  title     = {Liste und Rote Liste der etablierten Gef{\"a}ßpflanzen Brandenburgs},
  year      = {2006},
  language  = {de}
}
@article{PrasseRistowKlemmetal.2001,
  author    = {Prasse, R{\"u}diger and Ristow, Michael and Klemm, Gunther and Machatzi, Bernd and Raus, Thomas and Scholz, Hildemar and Stohr, Gerrit and Sukopp, Herbert and Zimmermann, Friedrich},
  title     = {Liste der wildwachsenden Gef{\"a}ßpflanzen des Landes Berlin : mit Roter Liste},
  publisher = {Kulturbuch-Verl.},
  address   = {Berlin},
  isbn      = {3-88961-137-0},
  pages     = {85 S.},
  year      = {2001},
  language  = {de}
}