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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">NAVEGACION</topic></authority><related type="narrower"><topic>ALMANAQUES NAUTICOS</topic></related><related type="narrower"><topic>Almanques naúticos</topic></related><related type="narrower"><topic>COLISIONES MARITIMAS</topic></related><related type="narrower"><topic>DERROTEROS</topic></related><related type="narrower"><topic>ELECTRONICA EN NAVEGACION</topic></related><related type="narrower"><topic>HIDROGRAFIA</topic></related><related type="other"><topic>ASTRONOMIA NAUTICA</topic></related><related type="other"><topic>CIENCIA NAVAL</topic></related><related type="broader"><topic>OCEANOGRAFIA</topic></related><related type="broader"><topic>BARCOS</topic></related></mads>