@misc{Frahm2012,
  author    = {Jan-Peter Frahm},
  title     = {Zur Unterscheidung von Bartramia stricta und Anacolia laevisphaera},
  booktitle = {131},
  series    = {Archive for Bryology},
  number    = {131},
  type      = {periodicalpart},
  pages     = {6},
  year        = {2012},
}