_:vb2059450 "Bundesanstalt f\u00FCr Geowissenschaften und Rohstoffe"@de . _:vb2059450 . _:vb2059451 "Hannover" . _:vb2059450 _:vb2059451 . _:vb2059451 "DE" . _:vb2059451 "Stilleweg 2" . _:vb2059451 . _:vb2059450 . _:vb2059451 "30655" . _:vb2059450 .