<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>5082</termId><termName>PROSPECCION PETROLERA</termName><termType>PT</termType><termLanguage>es-ES</termLanguage><termVocabulary>TESAURO DE MATERIAS DE SERBIULA</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>PROSPECCION PETROLERA</termSortkey><termCreatedDate>PROSPECCION PETROLERA</termCreatedDate><termModifiedDate>2015-02-26 10:39:59</termModifiedDate><relation><relationType>UF</relationType><termId>51246</termId><termName>Exploración petrolera</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>51247</termId><termName>Petróleo--Prospección</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>5074</termId><termName>PROSPECCION</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>5075</termId><termName>INGENIERIA DEL PETROLEO</termName><termType>PT</termType></relation></term>  </Zthes>