@inproceedings{inproceedings66f23069, title = {Recent contributions to the mineralogy of Poços de Caldas alkaline massif, Minas Gerais, Brazil}, author = {Matioli, Paulo Anselmo and Atencio, Daniel and Tsugawa, Juliana Keiko}, year = {1998}, publisher = {International Mineralogical Association}, booktitle = {General Meeeting} }