@article{Andreev2011,
  author    = {Alexander V. Andreev},
  title     = {The Blakiston's Fish Owl (Ketupa blakistoni) at north-eastern limits of its range},
  journal   = {Osnabr{\"u}cker naturwissenschaftliche Mitteilungen : Ver{\"o}ffentlichungen des Naturwissenschaftlichen Vereins Osnabr{\"u}ck},
  volume    = {35},
  pages     = {47 -- 53},
  year      = {2011},
}