@inproceedings{inproceedings8a060cd8,
title   = {Natural clays as catalysts i. Activity and selectivity of clay from rio pardo basin at ribeirao preto - region},
author = {Silva, L R D and Garla, L C},
year = {1992},
booktitle   = {Reuniao Anual da Sociedade Brasileira de Quimica}
}