@article{Mueller2013,
  author    = {Joachim M{\"u}ller},
  title     = {Vogel-Beringer tagten in der Vogelschutzwarte Steckby},
  journal   = {Naturschutz im Land Sachsen-Anhalt},
  volume    = {39},
  number    = {2},
  pages     = {57 -- 58},
  year      = {2013},
}