_:vb2320101 . _:vb2320101 . _:vb2320102 "30655" . _:vb2320101 _:vb2320102 . _:vb2320102 . _:vb2320102 "Hannover" . _:vb2320102 "DE" . _:vb2320101 "Bundesanstalt f\u00FCr Geowissenschaften und Rohstoffe (BGR)"@de . _:vb2320102 "Stilleweg 2" . _:vb2320101 .