@article{article07fbaa8b,
title   = {Electrochemical attributes and availability of nutrients, toxic elements, and heavy metals in tropical soils},
author = {Fontes, M. P. F. and Alleoni, Luís Reynaldo Ferracciú},
year = {2006},
doi = {10.1590/S0103-90162006000600014},
journal   = {Scientia Agricola}
}