. "Regenerativ gewonnene Energie"@de . . _:b1 . _:b1 "2012-09-28" . _:b1 "foba" . _:b2 . _:b2 "foba" . _:b2 "2012-09-28" . "Regenerativ gewonnene Energie"@de . _:b4 . _:b4 . _:b4 _:b5 . _:b5 . _:b5 . _:b5 _:b6 . _:b6 . _:b6 . _:b6 . _:b4 .