_:vb2054126 "Bundesanstalt f\u00FCr Geowissenschaften und Rohstoffe (BGR)"@de . _:vb2054127 "Hannover" . _:vb2054126 _:vb2054127 . _:vb2054127 "Stilleweg 2" . _:vb2054126 . _:vb2054127 "DE" . _:vb2054127 . _:vb2054127 "30655" . _:vb2054126 . _:vb2054126 .