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mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_ca">fortificació </topic></authority><related type="narrower"><topic>acròpolis</topic></related><related type="narrower"><topic>atall</topic></related><related type="narrower"><topic>muralla </topic></related><related type="narrower"><topic>bawn</topic></related><related type="narrower"><topic>castell</topic></related><related type="narrower"><topic>fortalesa</topic></related><related type="narrower"><topic>fort</topic></related><related type="narrower"><topic>reducte</topic></related><related type="narrower"><topic>palissada </topic></related><related type="narrower"><topic>fortificació de camp</topic></related><related type="narrower"><topic>frontera</topic></related><related type="narrower"><topic>fortificació de vegetació</topic></related><related type="narrower"><topic>fortificació costanera</topic></related><related type="narrower"><topic>barricada</topic></related><related type="narrower"><topic>artilleria antiaèria</topic></related><related type="narrower"><topic>tighremt</topic></related><related type="narrower"><topic>burg</topic></related><related type="narrower"><topic>sconce </topic></related><related type="narrower"><topic>línia</topic></related><related type="narrower"><topic>fortí de comandament</topic></related><related type="narrower"><topic>guard booths (traducció pendent)</topic></related><related type="broader"><topic>construccions individuals per funció</topic></related></mads>