@article{HerasPerezInfanteSanchez1999,
  author    = {Patxi Heras P{\´e}rez and Marta Infante S{\´a}nchez},
  title     = {Bryophytes from the Republic of Equatorial Guinea (West Central Africa) : 4., notes on some nomina nuda from Annobon},
  journal   = {Tropical bryology},
  number    = {16},
  pages     = {127 -- 129},
  year      = {1999},
}