@inproceedings{inproceedings2b646744,
title   = {Marcadores quimicos na classificacao de pteridophita},
author = {Zocher, D H T and Kaplan, M A C and Kubitzki, K and Gottlieb, O R},
year = {1988},
publisher = {Min Cienc Tec/Cons Nac des Cient Tec/Museu Paraense e Goeldi},
booktitle   = {Congresso Nacional de Botanica}
}