@booklet {4572,
	title = {GOMES, C.B., MORO, S.L. and DUTRA, C.V. 1970. Pyroxenes from the alkaline rocks of Itapirapua, Sao Paulo, Brazil. American Mineralogist, 55: 224-30},
	year = {1970},
	note = {GOMES, C.B., MORO, S.L. and DUTRA, C.V. 1970. Pyroxenes from the alkaline rocks of Itapirapua, Sao Paulo, Brazil. American Mineralogist, 55: 224-30}
}
