<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">TEMPERATURAS BAJAS</topic></authority><related type="narrower"><topic>CRIOQUIMICA</topic></related><related type="narrower"><topic>FRIO</topic></related><related type="narrower"><topic>HELIO SOLIDO</topic></related><related type="narrower"><topic>INGENIERIA CRIOGENICA</topic></related><related type="narrower"><topic>LIQUIDOS CUANTICOS</topic></related><related type="narrower"><topic>Materiales a baja temperaturas</topic></related><related type="narrower"><topic>SUPERFLUIDEZ</topic></related><related type="broader"><topic>CRIOBIOLOGIA</topic></related><variant type="other"><topic>Bajas temperaturas</topic></variant><variant type="other"><topic>Criogenía</topic></variant></mads>