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mads.xsd"><authority><topic authority="http://roble.intecca.uned.es/tematres/lem/">Minas</topic></authority><related type="other"><topic>Canteras</topic></related><related type="other"><topic>Yacimientos minerales</topic></related><related type="other"><topic>Túneles</topic></related><related type="other"><topic>Propiedad minera</topic></related><related type="other"><topic>Tecnología minera</topic></related><related type="other"><topic>Construcción subterránea</topic></related><related type="other"><topic>Industrias mineras</topic></related><related type="other"><topic>Excavación</topic></related><related type="other"><topic>Mineros</topic></related><related type="other"><topic>Minería</topic></related></mads>