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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">RIOS</topic></authority><related type="narrower"><topic>ALUVION</topic></related><related type="narrower"><topic>CONTAMINACION DEL AGUA</topic></related><related type="narrower"><topic>CUENCAS HIDROGRAFICAS</topic></related><related type="narrower"><topic>Deltas</topic></related><related type="narrower"><topic>DERECHO DE AGUAS</topic></related><related type="narrower"><topic>ECOLOGIA DE CORRIENTES DE AGUA</topic></related><related type="narrower"><topic>ENERGIA HIDRAULICA</topic></related><related type="narrower"><topic>EROSION</topic></related><related type="narrower"><topic>ESTUARIOS</topic></related><related type="narrower"><topic>HIDROGRAFIA</topic></related><related type="narrower"><topic>INGENIERIA HIDRAULICA</topic></related><related type="narrower"><topic>LEY DE AGUAS</topic></related><related type="narrower"><topic>REPRESAS</topic></related><related type="narrower"><topic>TERRAPLENES</topic></related><related type="narrower"><topic>TRANSPORTE DE SEDIMENTOS</topic></related><related type="broader"><topic>AGUA</topic></related><related type="broader"><topic>CANALES (INGENIERIA HIDRAULICA)</topic></related><related type="broader"><topic>SEMICONDUCTORES</topic></related><related type="broader"><topic>GEOGRAFIA FISICA</topic></related><related type="broader"><topic>INUNDACIONES</topic></related><related type="broader"><topic>NAVEGACION FLUVIAL</topic></related><related type="broader"><topic>VALLES</topic></related></mads>