@article{FrahmOhlemueller2001,
  author    = {Jan-Peter Frahm and Ralf Ohlem{\"u}ller},
  title     = {Ecology of bryophytes along altitudinal and latitudinal gradients in New Zealand},
  journal   = {Tropical bryology},
  number    = {20},
  pages     = {117 -- 137},
  year      = {2001},
}