@misc{FrahmRisseSaanKlein2012,
  author    = {Jan-Peter Frahm and Sonja Risse and Beatrice van Saan-Klein},
  title     = {Are bryophyte extracts inhibiting or promoting seed growth?},
  booktitle = {127},
  series    = {Archive for Bryology},
  number    = {127},
  type      = {periodicalpart},
  pages     = {10},
  year        = {2012},
}