_:vb39751	<http://www.w3.org/ns/r2rml#objectMap>	_:vb39753 .
_:vb39751	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb39752 .
_:vb39752	<http://www.w3.org/ns/r2rml#constant>	<http://rs.tdwg.org/dwc/terms/catalogNumber> .
_:vb39753	<http://www.w3.org/ns/r2rml#column>	"ID" .