@book{3360,
	author = {Babor, Joseph Albert,  and Macalpine, John Kenneth Watson, },
	title = {Cómo resolver problemas numéricos en análisis cualitativo / },
	publisher = {M. Marín ;, },
	year = {[s. f.].},
	address = {Barcelona : },
	note = {Incluye indice}
}