<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>6391</termId><termName>LAZOS (TEORIA DE GRUPOS)</termName><termType>PT</termType><termLanguage>es-ES</termLanguage><termVocabulary>TESAURO DE MATERIAS DE SERBIULA</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>LAZOS (TEORIA DE GRUPOS)</termSortkey><termCreatedDate>LAZOS (TEORIA DE GRUPOS)</termCreatedDate><termModifiedDate>2015-02-20 11:27:52</termModifiedDate><relation><relationType>UF</relationType><termId>41951</termId><termName>Espirales (Teoría de los grupos)</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>5240</termId><termName>TEORIA DE GRUPOS</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>41879</termId><termName>LAZOS DE MOUFANG</termName><termType>PT</termType></relation></term>  </Zthes>