1. Dodd H. M. (1990). “Performance predictions for an intermediate-sized VAWT based on performance of the 34-m VAWT test bed.” Proc. ASME Energy Sources Technology Conf. and Exhibition January.
2. Dutta A. K. (2000). “Future trends for wind electric generators.” Proc. AICTE and ISTE Winter School on Wind Energy Generation and its Commercialization Maulana Azad College of Technology Bhopal India December 18–30.
3. Dutta A. K. Dutta R. D. Morey N. P. and Basu A. (1999). “Modern technological developments in wind power generation.” Proc. National Conf. on Wind Energy Commercialisation Maulana Azad College of Technology Bhopal India March 5–6 28–38.
4. Emanuel P. (1985). “Motors generators transformers and energy.” Prentice-Hall Eaglewood Cliffs N.J.
5. EWEA News (1998). Wind direction January 21.