Balana Abadia, Pedro Al-Andalus y su frontera superior / Pere Balana i Abadia - p. 27-39 ; 30 cm Bibliogr. p. 39 Subjects--Topical Terms: CONQUETE ISLAMIQUEORGANISATION ADMINISTRATIVEFRONTIERE Subjects--Geographic Terms: MARCHE SUPERIEUREAL ANDALUS Dewey Class. No.: 956.0651