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mads.xsd"><authority><topic authority="http://roble.intecca.uned.es/tematres/lem/">Átomos</topic></authority><related type="narrower"><topic>Aceleradores de partículas</topic></related><related type="narrower"><topic>Núcleos (Física nuclear)</topic></related><related type="narrower"><topic>Ciclotrones</topic></related><related type="other"><topic>Estereoquímica</topic></related><related type="other"><topic>Partículas (Física nuclear)</topic></related><related type="other"><topic>Isótopos</topic></related><related type="other"><topic>Materia-Composición</topic></related><related type="other"><topic>Espectroscopia atómica</topic></related><related type="other"><topic>Partículas</topic></related><related type="other"><topic>Moléculas</topic></related><related type="other"><topic>Elementos químicos</topic></related><related type="other"><topic>Teoría atómica</topic></related><related type="other"><topic>Iones</topic></related><related type="other"><topic>Materia-Constitución</topic></related><related type="other"><topic>Química nuclear</topic></related><related type="broader"><topic>Física nuclear</topic></related></mads>