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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">TEORIA DEL EXCITON</topic></authority><related type="narrower"><topic>DIELECTRICOS</topic></related><related type="narrower"><topic>ESPECTROS DE ABSORCION</topic></related><related type="narrower"><topic>EXITACION ELECTRONICA</topic></related><related type="narrower"><topic>SEMICONDUCTORES</topic></related><related type="narrower"><topic>TEORIA DE BANDA DE ENERGIA DE SOLIDOS</topic></related><related type="broader"><topic>SOLIDOS</topic></related><related type="broader"><topic>TEORIA CUANTICA</topic></related><related type="broader"><topic>TEORIA DEL TRANSPORTE</topic></related><related type="broader"><topic>ELECTRONES</topic></related><related type="broader"><topic>FOTONES</topic></related><variant type="other"><topic>Excitón, Teoría del</topic></variant></mads>