@book{9434,
	author = {Sokal, Robert R. and Rohlf, F. James, },
	title = {Biometry :},
	publisher = {W.H. Freeman, },
	year = {c1969},
	address = {New York :},
	url = {https://www.cicy.mx/sitios/sib/doctoelectronico/10178.pdf}
}