1. Wind Energy Resource Survey of New Zealand;Cherry,1985
2. Cost modelling of horizontal axis wind turbines;Harrison;ETSU Report W/34/00170/REP,1993
3. Technical and economic considerations for the design of optimum wind energy conversion systems;Galanis;J. Wind Eng. Ind. Aerodyn.,1990
4. The economic optimisation of horizontal axis wind turbine design parameters;Collecutt,1994
5. System design and costs of wind energy conversion systems;MacRae,1988