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mads.xsd"><authority><topic authority="http://roble.intecca.uned.es/tematres/lem/">Libros</topic></authority><related type="narrower"><topic>Bibliometría</topic></related><related type="narrower"><topic>Libros de bolsillo</topic></related><related type="narrower"><topic>Libros de texto</topic></related><related type="narrower"><topic>Libros en miniatura</topic></related><related type="narrower"><topic>Libros ilustrados</topic></related><related type="narrower"><topic>Libros infantiles y juveniles</topic></related><related type="narrower"><topic>Libros prohibidos</topic></related><related type="narrower"><topic>Libros raros</topic></related><related type="narrower"><topic>Encuadernación</topic></related><related type="narrower"><topic>Manuscritos</topic></related><related type="narrower"><topic>Librerías</topic></related><related type="other"><topic>Edición</topic></related><related type="other"><topic>Imprenta</topic></related><related type="other"><topic>Museos del libro</topic></related><related type="other"><topic>Bibliofilia</topic></related><related type="other"><topic>Artes gráficas</topic></related><related type="other"><topic>Biblioterapia</topic></related><related type="other"><topic>Editoriales</topic></related><related type="other"><topic>Ex libris</topic></related><related type="other"><topic>Bibliografía</topic></related><related type="other"><topic>Lectura</topic></related><related type="broader"><topic>Bibliotecas-Fondos</topic></related></mads>