<?xml version="1.0" encoding="utf-8"?>
		<vdex xmlns="http://www.imsglobal.org/xsd/imsvdex_v1p0"  orderSignificant="false" language="en">
    <vocabIdentifier>http://AATesaurus.cultura.gencat.cat/aat/getty_en</vocabIdentifier><term><termIdentifier>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31343606</termIdentifier><caption>oxygen isotopes</caption></term>  <relationship>      <sourceTerm>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31343606</sourceTerm>      <targetTerm vocabIdentifier="http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31319744">isotopes</targetTerm>      <relationshipType source="http://www.imsglobal.org/vocabularies/iso2788_relations.xml">BT</relationshipType>  </relationship>  <relationship>      <sourceTerm>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31343606</sourceTerm>      <targetTerm vocabIdentifier="http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31320550">oxygen, oxygen isotopes, allotropes, compounds</targetTerm>      <relationshipType source="http://www.imsglobal.org/vocabularies/iso2788_relations.xml">BT</relationshipType>  </relationship>  <relationship>      <sourceTerm>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31343606</sourceTerm>      <targetTerm vocabIdentifier="http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31344869">oxygen</targetTerm>      <relationshipType source="http://www.imsglobal.org/vocabularies/iso2788_relations.xml">RT</relationshipType>  </relationship>  <relationship>      <sourceTerm>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31343606</sourceTerm>      <targetTerm vocabIdentifier="http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31343607">isotopes of oxygen</targetTerm>      <relationshipType source="http://www.imsglobal.org/vocabularies/iso2788_relations.xml">UF</relationshipType>  </relationship>  <relationship>      <sourceTerm>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31343606</sourceTerm>      <targetTerm vocabIdentifier="http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31343608">isotopes, oxygen</targetTerm>      <relationshipType source="http://www.imsglobal.org/vocabularies/iso2788_relations.xml">UF</relationshipType>  </relationship>  <relationship>      <sourceTerm>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31343606</sourceTerm>      <targetTerm vocabIdentifier="http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31343609">oxygen isotope</targetTerm>      <relationshipType source="http://www.imsglobal.org/vocabularies/iso2788_relations.xml">UF</relationshipType>  </relationship></vdex>