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mads.xsd"><authority><topic authority="http://roble.intecca.uned.es/tematres/lem/">Dispositivos optoelectrónicos</topic></authority><related type="narrower"><topic>Amplificadores ópticos</topic></related><related type="narrower"><topic>Células fotoeléctricas</topic></related><related type="narrower"><topic>Detectores ópticos</topic></related><related type="narrower"><topic>Sistemas ópticos de reconocimiento de caracteres</topic></related><related type="other"><topic>Sistemas de visualización de información</topic></related><related type="other"><topic>Electrónica del estado sólido</topic></related><related type="broader"><topic>Óptica-Aparatos e instrumentos</topic></related></mads>