@book{35294,
	author = {Martínez Bencardino, Ciro.},
	title = {Estadistica :},
	publisher = {Ecoe Ediciones,},
	year = {1992.},
	series = {Textos universitarios},
	address = {Bogotá :},
	edition = {6a ed.},
	note = {Incluye indice.}
}