_:vb2054241 _:vb2054242 . _:vb2054241 . _:vb2054242 "Stilleweg 2" . _:vb2054241 . _:vb2054241 "Federal Institute for Geosciences and Natural Resources"@en . _:vb2054242 "" . _:vb2054242 "30655" . _:vb2054242 . _:vb2054241 . _:vb2054242 "Hannover" .