[1] E. Hau, Wind Turbines, Fundamentals, Technologies Application economics, Springer, Berlin, 2006
[2] A.R. Jha, Wind Turbine Technology, CRC Press, Taylor & Francis Group, New York, 2011
[4] R.templin, aerodynamic performance teory for the NRC vertical axis wind turbine , national aeronautical establishment laboratory technical report LTR-LA-160, Canada , 1974
[5] J. strickland the darrieus turbine , a performance prediction model using multiple stream tubes , technical report SAND75-041, Sandia National Laboratories ; Albuquerque , 1975.
[6] O. Hammond, Design of an alternative hybrid vertical axis wind turbine, B.S. Major Qualifying Report, Worcester Polytechnic Institute, 2014