@misc{misce2c62808,
title   = {Study of zoned cassiterite from Cachoeirinha District, RO},
author = {Gabas, Sandra Garcia and Sant'Agostino, Lília Mascarenhas and Santos, I. A. A. and Bettencourt, Jorge Silva and Kahn, Henrique},
year = {1997},
booktitle   = {Meeting of the Brazilian Society for Electron Microscopy}
}