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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">FENOMENOS CICLICOS</topic></authority><related type="narrower"><topic>CICLO HIDROLOGICO</topic></related><related type="narrower"><topic>CICLOS BIOGEOQUIMICOS</topic></related><related type="narrower"><topic>ETERNO RETORNO</topic></related><related type="narrower"><topic>FLUCTUACIONES ECONOMICAS</topic></related><related type="narrower"><topic>ONDAS</topic></related><related type="narrower"><topic>OSCILACIONES</topic></related><related type="narrower"><topic>PERIODICIDAD GEOLOGICA</topic></related><related type="narrower"><topic>Periodicidad metereológica</topic></related><related type="narrower"><topic>PERIODICIDAD SISMOLOGICA</topic></related><related type="narrower"><topic>RITMOS BIOLOGICOS</topic></related><related type="narrower"><topic>Vebración</topic></related><related type="narrower"><topic>VIBRACION</topic></related><related type="other"><topic>RITMO</topic></related><related type="broader"><topic>FILOSOFIA</topic></related></mads>