_:vb2372809 "Hannover" . _:vb2372808 "Bundesanstalt f\u00FCr Geowissenschaften und Rohstoffe"@de . _:vb2372808 _:vb2372809 . _:vb2372809 . _:vb2372808 . _:vb2372809 "Stilleweg 2" . _:vb2372808 . _:vb2372809 "DE" . _:vb2372809 "30655" . _:vb2372808 .