. "renewables-based energy supply"@en . _:b1 . _:b1 "2013-09-12" . _:b1 "foba" . _:b2 . _:b2 "foba" . _:b2 "2013-09-12" . _:b3 . _:b3 "Barbara Fock" . _:b3 "2018-08-28T12:45:37+00:00" . "renewables-based energy supply"@en . _:b5 . _:b5 . _:b5 _:b6 . _:b6 . _:b6 . _:b6 _:b7 . _:b7 . _:b7 . _:b7 . _:b5 .