@inproceedings{inproceedings2452ca4a,
title   = {Major and trace elements in sphene: constrains on fractional crystallization processes in granitic magmas},
author = {Geraldes, Mauro Cesar and Janasi, Valdecir de Assis},
year = {2002},
publisher = {SBG-NO},
booktitle   = {Congresso Brasileiro de Geologia}
}