@book{14669,
	author = {Gotkin, Lassar G. and Goldstein, Leo S.},
	title = {Estadística descriptiva; texto programado},
	publisher = {Limusa,},
	year = {1969},
	series = {Serie Limusa-wiley de libros programados},
	address = {México, D.F. :},
	note = {La biblioteca tiene; v.1}
}