1. Liu W, Gu S, Qiu D, Techno-economic assessment for off-grid hybrid generation systems and the application prospects in China, http://www.worldenergy.org/wec-geis/publications/default/tech_papers/17th_congress/3_2_17.asp
2. Sizing of a stand-alone hybrid wind-photovoltaic system using a three event probability density approximation;Bagul;Solar Energy,1996
3. Sizing of hybrid photovoltaic–wind energy systems;Markvart;Solar Energy,1996
4. A method for the identification of configurations of PV/Wind hybrid systems for the reliable supply of small loads;Beyer;Solar Energy,1996
5. Protogeropoulos C, Marshall RH, Brinkworth BJ. Techno-economic optimization of autonomous wind/photovoltaic renewable energy systems with battery storage. Proc 12th Eur Commun Photovolt solar energy Conf 1994;721–4.