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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">TEORIA DE METALES DEL ELECTRON LIBRE</topic></authority><related type="narrower"><topic>CONDUCTIVIDAD ELECTRICA</topic></related><related type="narrower"><topic>CONDUCTORES UNIDIMENSIONALES</topic></related><related type="narrower"><topic>DENSIDAD DE CARGA DE ONDAS</topic></related><related type="narrower"><topic>MOVILIDAD DE ELECTRONES</topic></related><related type="narrower"><topic>Superficie de Fermi</topic></related><related type="narrower"><topic>SUPERFICIES DE FERMI</topic></related><related type="narrower"><topic>TRANSPORTE ELECTRONICO</topic></related><related type="broader"><topic>METALES</topic></related><related type="broader"><topic>TEORIA DE BANDA DE ENERGIA DE SOLIDOS</topic></related><variant type="other"><topic>Electrón libre, Teoría de metales del</topic></variant></mads>