Diccionario enciclopédico Espasa. - 2a ed. - Madrid Espasa-Calpe 1992. - 22 v. ill. (part col.) 27 cm. v.1-20 (A-Z), v. 21-22 Apendices. ISBN: 842397569X (set) Subjects--Topical Terms: Encyclopedias and dictionaries , Spanish.Spanish language--Dictionaries.