1. The S-rotor and its applications;Savonius;Mechanical Engineering,1931
2. Turbine having its rotating shaft transverse to the flow of the current;Darrieus,1931
3. Performance test of a Savonius rotor;Simonds,1964
4. Design, development and testing of low-head high-efficiency kinetic energy machines—an alternative for the future;MacPherson,1972
5. Measurements on a Savonius rotor with variable air-gap;Newman,1974