_:vb2058507 "DE" . _:vb2058507 "Hannover" . _:vb2058506 . _:vb2058507 . _:vb2058506 . _:vb2058507 "Stilleweg 2" . _:vb2058507 "30655" . _:vb2058506 _:vb2058507 . _:vb2058506 "Bundesanstalt f\u00FCr Geowissenschaften und Rohstoffe (BGR)"@de . _:vb2058506 .