_:vb2058674 "30655" . _:vb2058673 . _:vb2058673 _:vb2058674 . _:vb2058674 "Hannover" . _:vb2058673 . _:vb2058673 "Bundesanstalt f\u00FCr Geowissenschaften und Rohstoffe (BGR)"@de . _:vb2058674 "Stilleweg 2" . _:vb2058674 "DE" . _:vb2058674 . _:vb2058673 .