@misc{Warthemann2014,
  author    = {Guido Warthemann},
  title     = {Johann Royer (1574-1655) und die Flora des Nordharzes},
  booktitle = {Naturschutz im Land Sachsen-Anhalt},
  volume    = {36},
  number    = {1},
  issn      = {0940-6638},
  type      = {review},
  pages     = {54 -- 55},
  year        = {2014},
}