_:vb2060394 "Hannover" . _:vb2060393 "Bundesanstalt f\u00FCr Geowissenschaften und Rohstoffe (BGR)"@de . _:vb2060394 "Stilleweg 2" . _:vb2060393 . _:vb2060393 . _:vb2060393 . _:vb2060394 "DE" . _:vb2060393 _:vb2060394 . _:vb2060394 "30655" . _:vb2060394 .