@article{GradsteinVana1994,
  author    = {Stephan Robbert Gradstein and Jiri V{\´a}na},
  title     = {A boreal bryophyte community in a tropical montane forest of Mexico},
  journal   = {Tropical bryology},
  number    = {9},
  pages     = {31 -- 34},
  year      = {1994},
}