@inbook{inbookbd934bdd,
title   = {Zirconiferous hafnon and hafniferous zircon from São João Del rei, Minas Gerais, Brazil},
author = {Pereira, Ronaldo Mello and Netto, Ana Maria and Avila, Ciro Alexandre and Barrueto, Héctor Rolando and Neumann, Reiner and Atencio, Daniel},
year = {2004},
publisher = {ICAM},
booktitle   = {International Congress on Applied Mineralogy}
}