@article{CardenasS1999,
  author    = {{\´A}ngeles C{\´a}rdenas S.},
  title     = {Los musgos pleuroc{\´a}rpicos del Valle de M{\´e}xico, M{\´e}xico},
  journal   = {Tropical bryology},
  number    = {16},
  pages     = {109 -- 116},
  year      = {1999},
}