@book{76330,
	author = {Custers, Raf, and Collon, Michel,},
	title = {Cazadores de materias primas /},
	publisher = {El Viejo Topo ;},
	year = {[2017]},
	address = {Barcelona :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/57592/}
}