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<http://purl.org/ontology/bibo/Collection>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	_:vb50844861 .
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<http://purl.org/ontology/bibo/Book>	<http://xmlns.com/foaf/0.1/topic>	_:vb50844861 .
_:vb50844861	<http://www.w3.org/2002/07/owl#allValuesFrom>	_:vb50844862 .