<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>4358</termId><termName>Petróleo - Pozos</termName><termType>PT</termType><termLanguage>es</termLanguage><termVocabulary>INDICES DE MATERIAS</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>Petróleo - Pozos</termSortkey><termNote label="History"><![CDATA[ Se puede usar con un subencabezamiento geográfico. ]]></termNote><termNote label="Source"><![CDATA[ 622.276<br>622.323 ]]></termNote><termCreatedDate>Petróleo - Pozos</termCreatedDate><relation><relationType>UF</relationType><termId>4359</termId><termName>Pozos de petróleo</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>4255</termId><termName>Área 10. Geología Económica y Minería</termName><termType>PT</termType></relation></term>  </Zthes>