1. The Energy Foundation Annual Report, The Energy Foundation, San Francisco, CA, 2001.
2. Dynamic modeling and simulation of a small wind-fuel cell hybrid energy system;Khan;J. Renewable Energy,2005
3. Power conditioning for a wind-hydrogen energy system;De Battista;J. Power Sources,2006
4. U.S. Department of Energy, Energy Efficiency and Renewable Energy, Wind & Hydropower Technologies Program, Wind Energy Research Area, http://www.eere.energy.gov.
5. U.S. distributed generation fuel cell program;Williams;J. Power Sources,2004