_:vb73418	<http://www.w3.org/2002/07/owl#unionOf>	_:vb73420 .
_:vb73419	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://purl.org/ontology/bibo/Document> .
_:vb73418	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
_:vb73420	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	_:vb73419 .
_:vb73419	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil> .
_:vb73420	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://purl.org/ontology/bibo/Collection> .