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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">EXPEDICIONES CIENTIFICAS</topic></authority><related type="broader"><topic>DESCUBRIMIENTOS GEOGRAFICOS</topic></related><related type="broader"><topic>ANTARTICA</topic></related><related type="broader"><topic>REGIONES ARTICAS</topic></related><related type="broader"><topic>VIAJES</topic></related><variant type="other"><topic>Excursiones científicas</topic></variant><variant type="other"><topic>Viajes científicos</topic></variant></mads>