@booklet {4462,
	title = {PARAISO FILHO, O. de S. and FUCCIO, R. 1982. Araxa niobium mine. Mining Magazine, 146: 134-47.},
	year = {1982},
	note = {PARAISO FILHO, O. de S. and FUCCIO, R. 1982. Araxa niobium mine. Mining Magazine, 146: 134-47.}
}
