<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>20255</termId><termName>POLIETILENO</termName><termType>PT</termType><termLanguage>es-ES</termLanguage><termVocabulary>TESAURO DE MATERIAS DE SERBIULA</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>POLIETILENO</termSortkey><termNote label="Cota LC"><![CDATA[ <p><a href="http://www.loc.gov/aba/publications/FreeLCC/T-text.pdf" target="_blank">TP1180.P65 (Chemical technology)</a></p> ]]></termNote><termCreatedDate>POLIETILENO</termCreatedDate><termModifiedDate>2015-02-05 07:01:58</termModifiedDate><relation><relationType>BT</relationType><termId>3532</termId><termName>ETILENO</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>18697</termId><termName>ACETILENO</termName><termType>PT</termType></relation></term>  </Zthes>