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mads.xsd"><authority><topic authority="http://roble.intecca.uned.es/tematres/lem/">Luz</topic></authority><related type="narrower"><topic>Rayos láser</topic></related><related type="narrower"><topic>Reflexión (Física)</topic></related><related type="other"><topic>Fotometría</topic></related><related type="other"><topic>Iluminación</topic></related><related type="other"><topic>Luminotecnia</topic></related><related type="other"><topic>Láseres</topic></related><related type="other"><topic>Lámparas eléctricas</topic></related><related type="other"><topic>Fototerapia</topic></related><related type="other"><topic>Color</topic></related><related type="other"><topic>Luminiscencia</topic></related><related type="other"><topic>Óptica</topic></related><related type="other"><topic>Refracción</topic></related><related type="other"><topic>Fibras ópticas</topic></related><related type="other"><topic>Radiación</topic></related><related type="other"><topic>Difracción</topic></related><related type="other"><topic>Fotones</topic></related><related type="other"><topic>Fotobiología</topic></related><related type="other"><topic>Espectroscopia</topic></related><related type="broader"><topic>Ondas electromagnéticas</topic></related></mads>