@inproceedings{inproceedings6cb5f1db,
title   = {Serra Geral formation- São Paulo state, Brazil: a source for natural pozzolanic materials},
author = {Montanheiro, Tarcisio José and Yamamoto, Jorge Kazuo and Garda, Gianna Maria and Kihara, Yushiro},
year = {2001},
publisher = {Macromedia},
booktitle   = {Congreso Latinoamericano de Geología}
}