@article{articlec8836563,
title   = {Remaining phosphorus and sodium fluoride pH in soils with different clay contents and clay mineralogies},
author = {Alves, Marcelo Eduardo and Lavorenti, Arquimedes},
year = {2004},
doi = {10.1590/S0100-204X2004000300006},
journal   = {Pesquisa Agropecuária Brasileira}
}