_:vb2080509 . _:vb2080508 . _:vb2080508 . _:vb2080508 _:vb2080509 . _:vb2080508 "Federal Institute for Geosciences and Natural Resources"@en . _:vb2080509 "Hannover" . _:vb2080508 . _:vb2080509 "30655" . _:vb2080509 "" . _:vb2080509 "Stilleweg 2" .