@book{642,
	author = {Ridley, John},
	title = {Ore deposit geology /},
	publisher = {Cambridge University Press,},
	year = {2013},
	address = {Cambridge :},
	edition = {First published},
	url = {https://itmsp.museknowledge.com/UOH?qurl=https://libros-uoh.uoh.cl/ESCUELADEINGENIERIA/INGENIERIA%2520CIVIL%2520GEOLOGICA/Ore-deposit-geology}
}