@book{210176,
	author = {Craig, James R., 1940- and Vaughan, David J.},
	title = {Recursos de la tierra},
	publisher = {Pearson Prentice Hall},
	year = {2007.},
	address = {Madrid, España},
	edition = {3a ed.},
	note = {Translation of: Resources of the earth: origin, use and environmental impact.}
}