@inproceedings{inproceedings6c593322,
title   = {Bioavailability of toxic elements from various types of soil conditioners},
author = {Piau, W C and Alcarde, José Carlos},
year = {1993},
publisher = {Uff-Departamento de Geoquimica},
booktitle   = {International Symposium on Perspectives for Environmental Geochemistry in Tropical Countries}
}