@article{Greger2014,
  author    = {Ottomar Greger},
  title     = {Die kulturhistorische Entwicklung},
  journal   = {Naturschutz im Land Sachsen-Anhalt},
  volume    = {31},
  number    = {Sonderheft},
  pages     = {7 -- 8},
  year      = {2014},
}