@inproceedings{inproceedings6ebfac68,
title   = {Boolean index and fuzzy methods applied to spatial metallogenic analysis: Cerro Azul and Apiai quadrangles (SB.22-X-B-IV/BV)},
author = {Macedo, Arlei Benedito and Araújo, Carlos César de and Campanha, Ginaldo Ademar da Cruz},
year = {1996},
booktitle   = {Conference on Environmetrics in Brazil}
}