1. The wing mill: an oscillating-wing windmill;McKinney;J. Energy,1981
2. Beschreibung eines Moduls für den Kippflügel;Bade,1985
3. Flapping vane wind machine and rod-piston-pump, an integrated delivery system for large well depth and small flow rates;Bade,1975
4. The design of a machine producing vertical oscillations directly from wind power;Peake,1972
5. Design and fabrication of rocking frame wind machine;Doshi,1976