_:vb2320285 . _:vb2320286 "Hannover" . _:vb2320285 . _:vb2320285 . _:vb2320286 "Stilleweg 2" . _:vb2320286 . _:vb2320285 _:vb2320286 . _:vb2320286 "DE" . _:vb2320286 "30655" . _:vb2320285 "Bundesanstalt f\u00FCr Geowissenschaften und Rohstoffe (BGR)"@en .