<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>6147</termId><termName>GEOMAGNETISMO</termName><termType>PT</termType><termLanguage>es-ES</termLanguage><termVocabulary>TESAURO DE MATERIAS DE SERBIULA</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>GEOMAGNETISMO</termSortkey><termNote label="Cota LC"><![CDATA[ <p><a href="http://www.loc.gov/aba/publications/FreeLCC/Q-text.pdf" target="_blank">[QC811-849]</a></p> ]]></termNote><termCreatedDate>GEOMAGNETISMO</termCreatedDate><termModifiedDate>2015-02-05 11:00:28</termModifiedDate><relation><relationType>UF</relationType><termId>42385</termId><termName>Campos magnéticos terrestres</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>42386</termId><termName>Líneas isógonas</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>42387</termId><termName>Magnetismo terrestre</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>42388</termId><termName>Tierra--Magnetismo</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>1953</termId><termName>GEOFISICA</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>2375</termId><termName>TIERRA (PLANETA)</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>2556</termId><termName>METEOROLOGIA</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>8481</termId><termName>CAMPOS MAGNETICOS COSMICOS</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>8475</termId><termName>FÍSICA CÓSMICA</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>1960</termId><termName>MAGNETISMO</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>16915</termId><termName>CAMPOS MAGNETICOS</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>22456</termId><termName>MANCHAS SOLARES</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>42384</termId><termName>PALEOMAGNETISMO</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>27770</termId><termName>BRUJULA</termName><termType>PT</termType></relation></term>  </Zthes>