@misc{Frahm2006,
  author    = {Jan-Peter Frahm},
  title     = {Die Moosvegetation des Rheinlandes},
  booktitle = {11},
  series    = {Archive for Bryology},
  number    = {011},
  type      = {periodicalpart},
  pages     = {6},
  year        = {2006},
}