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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">EROSION</topic></authority><related type="narrower"><topic>EROSION DE PLAYAS</topic></related><related type="narrower"><topic>EROSION DE SUELOS</topic></related><related type="narrower"><topic>EROSION EOLICA</topic></related><related type="narrower"><topic>EROSION GLACIAL</topic></related><related type="narrower"><topic>ESCORRENTIA</topic></related><related type="narrower"><topic>METEORIZACION</topic></related><related type="narrower"><topic>SOCAVACION (INGENIERIA HIDRAULICA)</topic></related><related type="narrower"><topic>TRANSPORTE DE SEDIMENTOS</topic></related><related type="narrower"><topic>VALLES</topic></related><related type="broader"><topic>CONSERVACION DE SUELOS</topic></related><related type="broader"><topic>AGUA</topic></related><related type="broader"><topic>GEOFISICA</topic></related><related type="broader"><topic>GEOGRAFIA FISICA</topic></related><related type="broader"><topic>GEOLOGIA</topic></related><related type="broader"><topic>RIOS</topic></related><related type="broader"><topic>SEDIMENTACION</topic></related><related type="broader"><topic>SUELOS</topic></related><variant type="other"><topic>Erosión geológica</topic></variant></mads>