https://confrides.cpd.ua.es/tematres1/vocab/https://confrides.cpd.ua.es/tematres1/vocab/skos/1684Xi'an (China) https://confrides.cpd.ua.es/tematres1/vocab/skos/1684 1. ENCABEZAMIENTOS DE MATERIA BT https://confrides.cpd.ua.es/tematres1/vocab/skos/1684 Changan (China) UF https://confrides.cpd.ua.es/tematres1/vocab/skos/1684 Sian (China) UF https://confrides.cpd.ua.es/tematres1/vocab/skos/1684 Signan (China) UF https://confrides.cpd.ua.es/tematres1/vocab/skos/1684 Siking (China) UF https://confrides.cpd.ua.es/tematres1/vocab/skos/1684 Singan (China) UF https://confrides.cpd.ua.es/tematres1/vocab/skos/1684 Xian (China) UF