<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>35119</termId><termName>OPERADOR DE SCHRODINGER</termName><termType>PT</termType><termLanguage>es-ES</termLanguage><termVocabulary>TESAURO DE MATERIAS DE SERBIULA</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>OPERADOR DE SCHRODINGER</termSortkey><termCreatedDate>OPERADOR DE SCHRODINGER</termCreatedDate><termModifiedDate>2015-02-23 11:51:01</termModifiedDate><relation><relationType>BT</relationType><termId>4947</termId><termName>ECUACION DE SCHRODINGER</termName><termType>PT</termType></relation></term>  </Zthes>