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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">FORMAS DE RELIEVES</topic></authority><related type="narrower"><topic>ARRECIFES</topic></related><related type="narrower"><topic>CONOS DE DEYECCION</topic></related><related type="narrower"><topic>CORAZAS FERRALITICAS</topic></related><related type="narrower"><topic>COSTAS</topic></related><related type="narrower"><topic>CUENCAS HIDROGRAFICAS</topic></related><related type="narrower"><topic>CUEVAS</topic></related><related type="narrower"><topic>DESIERTOS</topic></related><related type="narrower"><topic>DUNAS</topic></related><related type="narrower"><topic>FORMAS DE RELIEVE GLACIALES</topic></related><related type="narrower"><topic>ISLAS</topic></related><related type="narrower"><topic>KARST</topic></related><related type="narrower"><topic>LLANURAS</topic></related><related type="narrower"><topic>MANGLARES</topic></related><related type="narrower"><topic>PANTANOS</topic></related><related type="narrower"><topic>PIRAMIDES DE TIERRA</topic></related><related type="narrower"><topic>PLAYAS</topic></related><related type="narrower"><topic>TALUDES (GEOGRAFIA FISICA)</topic></related><related type="narrower"><topic>TALUDES (MECANICA DE SUELOS)</topic></related><related type="narrower"><topic>TERRAZAS (GEOLOGIA)</topic></related><related type="narrower"><topic>VALLES</topic></related><related type="narrower"><topic>VOLCANES</topic></related><related type="other"><topic>GEOMORFOLOGIA</topic></related></mads>