@book{9044,
	author = {Steel, Robert and Torrie, James H.},
	title = {Bioestadística: Principios y Procedimientos /},
	publisher = {McGraw-Hill,},
	year = {1985.},
	address = {Bogotá :},
	edition = {2.},
	note = {Incluye Apéndice e Indice.}
}