<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>28039</termId><termName>CALEFACCION DESDE LAS CENTRALES ELECTRICAS</termName><termType>TT</termType><termLanguage>es-ES</termLanguage><termVocabulary>TESAURO DE MATERIAS DE SERBIULA</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>CALEFACCION DESDE LAS CENTRALES ELECTRICAS</termSortkey><termCreatedDate>CALEFACCION DESDE LAS CENTRALES ELECTRICAS</termCreatedDate><relation><relationType>UF</relationType><termId>28040</termId><termName>Calefacción distrital</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>28041</termId><termName>Estación central de calefacción</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>28042</termId><termName>Plantas centrales de calefacción</termName><termType>ND</termType></relation></term>  </Zthes>