@article{KniprathWuntkeSeeleretal.2008,
  author    = {Ernst Kniprath and Beatrix Wuntke and Horst Seeler and Reinhard Altm{\"u}ller},
  title     = {Verfr{\"u}hung des Legebeginns bei der Schleiereule "Tyto alba"},
  journal   = {Vogelwarte : Zeitschrift f{\"u}r Vogelkunde},
  volume    = {46},
  number    = {1},
  pages     = {37 -- 38},
  year      = {2008},
}