@article{articlee5ca6e78,
title   = {Availability of heavy metals in contaminated soil evidenced by chemical extractants},
author = {Silva, Maria Ligia de Souza and Levy, Camila de Carvalho Braga and Vitti, Godofredo Cesar},
year = {2012},
doi = {10.1590/S0034-737X2012000300017},
journal   = {Revista Ceres}
}