@book{27375,
	author = {COMFORT, IRIS TRACY},
	title = {EARTH TREASURES: ROCKS AND MINERALS},
	publisher = {PRENTICE-HALL},
	year = {1967},
	address = {NEW JERSEY},
	edition = {1 ed.},
	url = {https://www.santoandre.sp.gov.br/pesquisa/con_detalhe.asp?ID=35394&vHistoryNovo=sim}
}