Dörner, H. (1975). Efficiency and economic comparison of different WEC (wind energy converter) rotor systems. [Forschungsinstitut Windenergietechnik?].
Chicago Style (17th ed.) CitationDörner, Heiner. Efficiency and Economic Comparison of Different WEC (wind Energy Converter) Rotor Systems. Stuttgart: [Forschungsinstitut Windenergietechnik?], 1975.
MLA (9th ed.) CitationDörner, Heiner. Efficiency and Economic Comparison of Different WEC (wind Energy Converter) Rotor Systems. [Forschungsinstitut Windenergietechnik?], 1975.
Warning: These citations may not always be 100% accurate.