1. Gary D. Burch, hybrid renewable energy systems, Hybrid Power Systems Manager Office of Power Technologies, U.S. Department of Energy U.S. DOE Natural Gas/Renewable Energy Workshops August 21, 2001 Golden, Colorado.
2. Wind and solar power systems;Patel,1999
3. Masters, renewable and efficient electric power systems, Stanford University;Gilbert,2004
4. Sizing of hybrid photovoltaic–wind energy systems;Markvart;Sol Energy,1996
5. Sizing of a stand-alone hybrid wind-photovoltaic system using a three-event probability density approximation solar energy;Bagul;Renewable Energy,1996