<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>4838</termId><termName>Laboratorios de metrología</termName><termType>PT</termType><termCreatedDate>2014-09-15 19:40:39</termCreatedDate><relation><relationType>UF</relationType><termId>4839</termId><termName>Laboratorios metrológicos</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>4836</termId><termName>Laboratorios de ensayo</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>13230</termId><termName>Medición</termName><termType>PT</termType></relation></term>  </Zthes>