1. A survey of wind energy potential in Nigeria;Ojosu;Solar Wind Technol.,1990
2. Records of wind data. Meteorological Department, Oshodi, Nigeria.
3. Statistical distribution function of wide applicability;Weibull;Report No. 51-A-6,1951
4. Handbook of Mathematical Functions;Abramowitz,1967
5. Wind energy potential in Iraq;Darwish;Solar Wind Technol.,1988