_:vb50712144	<http://www.w3.org/ns/r2rml#language>	"de" .
_:vb50712142	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50712143 .
_:vb50712142	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50712144 .
_:vb50712143	<http://www.w3.org/ns/r2rml#constant>	<http://rs.tdwg.org/dwc/terms/lowestBiostratigraphicZone> .
_:vb50712144	<http://www.w3.org/ns/r2rml#column>	"zone_de" .