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mads.xsd"><authority><topic authority="http://roble.intecca.uned.es/tematres/lem/">Física</topic></authority><related type="narrower"><topic>Acústica</topic></related><related type="narrower"><topic>Astrofísica</topic></related><related type="narrower"><topic>Biofísica</topic></related><related type="narrower"><topic>Electricidad</topic></related><related type="narrower"><topic>Física del estado sólido</topic></related><related type="narrower"><topic>Física médica</topic></related><related type="narrower"><topic>Magnetismo</topic></related><related type="narrower"><topic>Mecánica cuántica</topic></related><related type="narrower"><topic>Óptica</topic></related><related type="narrower"><topic>Simetría (Física)</topic></related><related type="narrower"><topic>Física recreativa</topic></related><related type="other"><topic>Plasma (Física)</topic></related><related type="other"><topic>Radiaciones</topic></related><related type="other"><topic>Meteorología</topic></related><related type="other"><topic>Energía</topic></related><related type="other"><topic>Mecánica</topic></related><related type="other"><topic>Sólidos</topic></related><related type="other"><topic>Físicos</topic></related><related type="other"><topic>Relatividad (Física)</topic></related><related type="other"><topic>Fluidos</topic></related><related type="other"><topic>Materia</topic></related><related type="other"><topic>Energía (Física)</topic></related><related type="other"><topic>Campo, Teoría de</topic></related><related type="other"><topic>Difusión</topic></related></mads>