@book{107861,
	author = {Lafuente, Antonio,},
	title = {Guía del Madrid científico :},
	publisher = {Doce Calles :},
	year = {[1998]},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/159164/}
}