@misc{Frahm2012,
  author    = {Jan-Peter Frahm},
  title     = {Cultivation experiments with Aneura pinguis. A contribution to the separation of Aneura maxima and A. pinguis},
  booktitle = {136},
  series    = {Archive for Bryology},
  number    = {136},
  type      = {periodicalpart},
  pages     = {6},
  year        = {2012},
}