@book{51566,
	author = {Alsina Calvés, José,},
	title = {Historia de la geología :},
	publisher = {Montesinos,},
	year = {2006.},
	series = {Biblioteca de divulgación temática ;},
	address = {Barcelona :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://elibro.net/ereader/bibliocun/212425}
}