1. A contribution to the aerodynamic theory of the VAWT;Holme,1946
2. Wind tunnel investigation of a 14 ft vertical axis windmill;Muraca,1976
3. Wake structure of a Darrieus rotor;Boschloo,1977
4. Studies of the wake structure of model wind turbine generators;Vermuelen,1979
5. A vortex model of the Darrieus turbine: an analytical and experimental study;Strickland;Trans. ASME, J. Fluid Eng.,1979