_:vb2060496 . _:vb2060496 _:vb2060497 . _:vb2060497 "Hannover" . _:vb2060497 "30655" . _:vb2060497 "DE" . _:vb2060496 "Bundesanstalt f\u00FCr Geowissenschaften und Rohstoffe"@de . _:vb2060497 "Stilleweg 2" . _:vb2060496 . _:vb2060496 . _:vb2060497 .