<?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://roble.intecca.uned.es/tematres/lem/">Metalurgia</topic></authority><related type="narrower"><topic>Aleaciones</topic></related><related type="narrower"><topic>Siderurgia</topic></related><related type="other"><topic>Industrias siderometalúrgicas</topic></related><related type="other"><topic>Metalografía</topic></related><related type="other"><topic>Tecnología minera</topic></related><related type="other"><topic>Metales-Trabajo</topic></related><related type="other"><topic>Fundición</topic></related><related type="other"><topic>Metales</topic></related><related type="other"><topic>Industria metalúrgica</topic></related><related type="broader"><topic>Hornos metalúrgicos</topic></related><related type="broader"><topic>Química industrial</topic></related><variant type="other"><topic>Metalurgia extractiva</topic></variant><variant type="other"><topic>Tecnología metalúrgica</topic></variant> <note xml:lang="es"><![CDATA[ Véase además el subencabezamiento: bajo los nombres de los distintos metales: "Metalurgia"; Cinc-Metalurgia ]]></note></mads>