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	mads.xsd"><authority><topic authority="https://confrides.cpd.ua.es/tematres/vocab/">Área 3. Óptica instrumental</topic></authority><related type="narrower"><topic>Astronomía - Instrumentos</topic></related><related type="narrower"><topic>Ingeniería óptica</topic></related><related type="narrower"><topic>Lentes</topic></related><related type="narrower"><topic>Microscopios electrónicos de transmisión</topic></related><related type="narrower"><topic>Microscopios y microscopia</topic></related><related type="narrower"><topic>Óptica - Instrumentos</topic></related><related type="broader"><topic>ÓPTICA (Índice)</topic></related></mads>