@book{35292,
	author = {Martínez Bencardino, Ciro.},
	title = {Estadistica basica aplicada /},
	publisher = {Ecoe Ediciones,},
	year = {2001.},
	series = {Colección textos universitarios. Area estadistica},
	address = {Bogotá :},
	edition = {2a ed.}
}