1. Small diesel generation systems: the cost and fuel saving possible by the addition of a wind turbine, with ancd without short term storage;Slack,1983
2. Wind/diesel integration for electricity supply for isolated communities;Lipman,1981
3. Theoretical and experimental analysis of a wind turbine/battery system for use in isolated locations;Sexon,1985
4. Wind-diesel and wind autonomous energy systems;Nacfaire,1988
5. Wind energy in Denmark: research and technological development,1990