@misc{OPUS4-35487,
  title     = {Die Vogelwarte : Band 51, Heft 2},
  booktitle = {Vogelwarte : Zeitschrift f{\"u}r Vogelkunde},
  volume    = {51},
  number    = {2},
  issn      = {0049-6650},
  type      = {periodicalpart},
  pages     = {84},
  year        = {2013},
}