_:vb2367092 . _:vb2367093 . _:vb2367092 . _:vb2367092 _:vb2367093 . _:vb2367092 . _:vb2367093 "Stilleweg 2" . _:vb2367092 "Bundesanstalt f\u00FCr Geowissenschaften und Rohstoffe (BGR)"@de . _:vb2367093 "Deutschland" . _:vb2367093 "30655" . _:vb2367093 "Hannover" .