_:vb2445009 _:vb2445010 . _:vb2445010 . _:vb2445009 . _:vb2445010 "Hannover" . _:vb2445009 . _:vb2445009 "Bundesanstalt f\u00FCr Geowissenschaften und Rohstoffe (BGR)"@de . _:vb2445010 "Stilleweg 2" . _:vb2445009 . _:vb2445010 "Deutschland" . _:vb2445010 "30655" .