@article{Vana1993,
  author    = {Jiř{\´i} V{\´a}na},
  title     = {Taxonomic results of the Bryotrop expedition to Zaire and Rwanda : 11., Cephaloziaceae, Cephaloziellaceae, Gymnomitriaceae, Jungermanniaceae, Lophoziaceae},
  journal   = {Tropical bryology},
  number    = {8},
  pages     = {99 -- 103},
  year      = {1993},
}