<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>2409</termId><termName>Optimización de estructuras</termName><termType>PT</termType><termLanguage>es-ES</termLanguage><termVocabulary>MATERIAS BUA</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>Optimización de estructuras</termSortkey><termNote label="History"><![CDATA[ Admitida mayo 2004 ]]></termNote><termNote label="Source"><![CDATA[ Fuente: CSIC ]]></termNote><termCreatedDate>Optimización de estructuras</termCreatedDate><relation><relationType>UF</relationType><termId>2410</termId><termName>Cálculo óptimo de estructuras</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>2411</termId><termName>Estructuras - Cálculo óptimo</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>26</termId><termName>1. ENCABEZAMIENTOS DE MATERIA</termName><termType>TT</termType></relation></term>  </Zthes>