<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>2666</termId><termName>CONTROL DE EMISION DE GASES</termName><termType>PT</termType><termLanguage>es</termLanguage><termVocabulary>Vocabulario Latinoamericano de Ciencias Sociales</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>CONTROL DE EMISION DE GASES</termSortkey><termCreatedDate>2012-03-26 21:57:12</termCreatedDate><relation><relationType>BT</relationType><termId>3899</termId><termName>LUCHA CONTRA LA CONTAMINACION</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>5444</termId><termName>LUCHA CONTRA LA CONTAMINACION; INGENIERA AMBIENTAL</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>2655</termId><termName>FABRICAS</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>3107</termId><termName>MOTORES</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>1399</termId><termName>LEGISLACION AMBIENTAL</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>5317</termId><termName>CONVERTIDORES CATALITICOS</termName><termType>PT</termType></relation></term>  </Zthes>