@inproceedings{inproceedings3dca17c1,
title   = {GIS applied to the identification of land cover and environmental changes caused by sand and clay mining in the Paraíba do Sul river floodplain},
author = {Santo, Eder Luiz and Sánchez, Luis Enrique},
year = {2000},
publisher = {CPRM},
booktitle   = {International Geological Congress}
}