<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>5259</termId><termName>METALURGIA</termName><termType>PT</termType><termLanguage>es-ES</termLanguage><termVocabulary>TESAURO DE MATERIAS DE SERBIULA</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>METALURGIA</termSortkey><termNote label="Cota LC"><![CDATA[ <p><a href="http://www.loc.gov/aba/publications/FreeLCC/T-text.pdf" target="_blank">[TN600-TN799</a></p> ]]></termNote><termCreatedDate>METALURGIA</termCreatedDate><termModifiedDate>2015-02-09 06:29:26</termModifiedDate><relation><relationType>BT</relationType><termId>5197</termId><termName>METALES</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>796</termId><termName>INGENIERIA QUIMICA</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>2662</termId><termName>INDUSTRIA SIDERURGICA</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>5076</termId><termName>MINAS</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>5246</termId><termName>ALEACIONES</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>14183</termId><termName>ALUMINOTERMIA</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>802</termId><termName>BIOTECNOLOGIA DE MINERALES</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>24311</termId><termName>CEMENTACION (METALURGIA)</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>17486</termId><termName>CIANURACION</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>5016</termId><termName>ELECTROMETALURGIA</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>5906</termId><termName>FUSION FRACCIONAL</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>17488</termId><termName>HIDROMETALURGIA</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>796</termId><termName>INGENIERIA QUIMICA</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>17489</termId><termName>MATERIALES REFRACTARIOS</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>17490</termId><termName>METALES A ALTAS TEMPERATURAS</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>3764</termId><termName>QUIMICA TECNICA</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>5269</termId><termName>TRATAMIENTO TERMICO DE LOS METALES</termName><termType>PT</termType></relation></term>  </Zthes>