@article{articleefa1ebd2,
title   = {Copper desorption in asoil with variable charge},
author = {Casagrande, J. C. and Jordao, C. B. and Alleoni, Luís Reynaldo Ferracciú and Camargo, O. A. de},
year = {2004},
doi = {10.1590/s0103-90162004000200012},
journal   = {Scientia Agricola}
}