_:vb2208451 "Hannover" . _:vb2208450 . _:vb2208450 _:vb2208451 . _:vb2208451 "Stilleweg 2" . _:vb2208451 . _:vb2208451 "30655" . _:vb2208450 . _:vb2208450 "Bundesanstalt f\u00FCr Geowissenschaften und Rohstoffe (BGR)"@en . _:vb2208450 . _:vb2208451 "DE" .