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mads.xsd"><authority><topic authority="http://roble.intecca.uned.es/tematres/lem/">Concentración parcelaria</topic></authority><related type="other"><topic>Suelo agrícola</topic></related><related type="other"><topic>Explotaciones agrícolas</topic></related><related type="broader"><topic>Reforma agraria</topic></related><related type="broader"><topic>Política agraria</topic></related><variant type="other"><topic>Concentración agraria</topic></variant><variant type="other"><topic>Concentración de la tierra</topic></variant></mads>