@book{1312,
	author = {Mood, Alexander McFarlane and Graybill, Franklin A.},
	title = {Introducción a la teoría de la estadística},
	publisher = {Aguilar},
	year = {1969},
	address = {Madrid :},
	edition = {4a. ed},
	url = {https://www.biblioeco.unsa.edu.ar/pmb/images/libros/L128436.jpg}
}