@article{article3ebcab3a,
title   = {The compositional evolution of apatite in the weathering profile of the Catalão I alkaline-carbonatitic complex, Goias, Brazil},
author = {Toledo, Maria Cristina Motta de and Lenharo, Sara Lais Rahal and Ferrari, Viviane Carillo and Fontan, F. and Parseval, P. and Leroy, G.},
year = {2004},
doi = {10.2113/gscanmin.42.4.1139},
journal   = {The Canadian Mineralogist}
}