@article{Opitz2013,
  author    = {Helmut Opitz},
  title     = {Bundesverdienstkreuz an Dr. Christoph Kaatz verliehen},
  journal   = {Naturschutz im Land Sachsen-Anhalt},
  volume    = {47},
  number    = {1/2},
  pages     = {75 -- 77},
  year      = {2013},
}