_:vb2501539 . _:vb2501539 "Hannover" . _:vb2501538 . _:vb2501538 _:vb2501539 . _:vb2501538 . _:vb2501539 "30655" . _:vb2501539 "Stilleweg 2" . _:vb2501538 "Bundesanstalt f\u00FCr Geowissenschaften und Rohstoffe"@de . _:vb2501539 "DE" . _:vb2501538 .