_:vb2554053 . _:vb2554054 "DE" . _:vb2554053 . _:vb2554053 . _:vb2554054 "Stilleweg 2" . _:vb2554053 _:vb2554054 . _:vb2554054 . _:vb2554053 "Bundesanstalt f\u00FCr Geowissenschaften und Rohstoffe"@de . _:vb2554054 "Hannover" . _:vb2554054 "30655" .