@article{KobialkaJacobsSinger2013,
  author    = {Hajo Kobialka and Gunnar Jacobs and David Singer},
  title     = {Ornithologischer Sammelbericht f{\"u}r den Kreis H{\"o}xter 2011},
  journal   = {Beitr{\"a}ge zur Naturkunde zwischen Egge und Weser},
  volume    = {23},
  pages     = {141 -- 187},
  year      = {2013},
}