@article{articlef8dc530b,
title   = {Coexisting pyroxenes in mafic and ultramafic rocks from Barra Velha, Santa Catarina, Brazil},
author = {Soares, R. M. C. and Gomes, Celso B. and Ruberti, Excelso},
year = {1978},
journal   = {Jornal de Mineralogia}
}