@article{FrahmKloeckerSchmidtetal.2000,
  author    = {Jan-Peter Frahm and Tobias Kl{\"o}cker and Rouven Schmidt and Christian Sch{\"o}ter},
  title     = {Revision der Gattung Amphidium (Musci, Dicranaceae)},
  journal   = {Tropical bryology},
  number    = {18},
  pages     = {173 -- 184},
  year      = {2000},
}