@article{VollmerOhlendorf2004,
  author    = {Alexander Vollmer and Bernd Ohlendorf},
  title     = {Eptesicus nilssonii (Keyserling \& Blasius, 1839) : Nordfledermaus},
  journal   = {Naturschutz im Land Sachsen-Anhalt},
  volume    = {41},
  number    = {Sonderheft},
  pages     = {99 -- 100},
  year      = {2004},
}