@misc{Schwarz2012,
  author    = {Konrad Schwarz},
  title     = {{\"O}kologie einer expandierenden Grauganspopulation im Ballungsraum},
  booktitle = {Vogelwarte : Zeitschrift f{\"u}r Vogelkunde},
  volume    = {50},
  number    = {1},
  issn      = {0049-6650},
  type      = {review},
  pages     = {37 -- 38},
  year        = {2012},
}