@article{Gnielka2014,
  author    = {Reinhard Gnielka},
  title     = {Rudolf Ortlieb : 65 Jahre},
  journal   = {Naturschutz im Land Sachsen-Anhalt},
  volume    = {38},
  number    = {2},
  pages     = {46 -- 47},
  year      = {2014},
}