"Upper limit for the conversion of solar energy"@nl . . "Upper limit for the conversion of solar energy"@en . . "Upper limit for the conversion of solar energy"@nl . "4" . . . . "Upper limit for the conversion of solar energy"@en . "Upper limit for the conversion of solar energy"@en . "877-882" . . "P. Wurfel" . . . "27" . "Upper limit for the conversion of solar energy"@en . "im April 1980 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . . . "\u043D\u0430\u0443\u043A\u043E\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u044F, \u043E\u043F\u0443\u0431\u043B\u0456\u043A\u043E\u0432\u0430\u043D\u0430 \u0443 \u043A\u0432\u0456\u0442\u043D\u0456 1980"@uk . "wetenschappelijk artikel"@nl . "W. Ruppel" . . "1980-04-01T00:00:00Z"^^ . "10.1109/T-ED.1980.19950" . . . . . "Upper limit for the conversion of solar energy"@nl . .