@misc{misc0ff969dc,
title   = {Geologia da folha de Cerro Azul, SP e PR},
author = {Gomes, Celso B. and Bittencourt, I and Cordani, Umberto G. and Damasceno, Eduardo Camilher and Lellis, Hilton Sucena and Melcher, Geraldo Conrado and Melfi, Adolpho José},
year = {1971},
publisher = {s.n},
booktitle   = {Congresso Brasileiro de Geologia}
}