@book{5313,
	author = {Pérez Tamayo, Ruy, },
	title = {¿Existe el método científico? :},
	publisher = {Colegio Nacional : Fondo de Cultura Económica, },
	year = {c1998},
	series = {La ciencia para todos ;},
	address = {México, D.F. :},
	url = {https://www.cicy.mx/sitios/sib/doctoelectronico/5369.pdf}
}