TY - CPAPER TI - Carbonatites from the ParanĂ¡ basin: C-O isotope variations PY - 2003 AU - Comin-Chiaramonti, P. AU - Gomes, Celso B. AU - Censi, P T2 - South American Symposium on Isotope Geology J2 - Short Papers PP - Salvador PB - CBPM/IRD ER -