@article{Frotscher2014,
  author    = {Wolfgang Frotscher},
  title     = {Der Braunkohlenbergbau in Sachsen-Anhalt},
  journal   = {Naturschutz im Land Sachsen-Anhalt},
  volume    = {36},
  number    = {Sonderheft},
  pages     = {6 -- 11},
  year      = {2014},
}