@inproceedings{inproceedings43196800,
title   = {Recursos minerais de fosfato no brasil},
author = {Damasceno, Eduardo Camilher and Born, Helmut and Liberal, G S and Melo, M T V and Beisiegel, V R},
year = {1990},
publisher = {Ibrafos},
booktitle   = {Encontro Nacional de Rocha Fosfatica}
}