_:vb39372	<http://www.w3.org/ns/r2rml#column>	"erstautor" .
_:vb39370	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb39371 .
_:vb39371	<http://www.w3.org/ns/r2rml#constant>	<http://purl.org/dc/terms/source> .
_:vb39370	<http://www.w3.org/ns/r2rml#objectMap>	_:vb39372 .