%0 Journal Article %T Optimal Sizing of a Stand-alone Wind/Photovoltaic Generation Unit using Particle Swarm Optimization %A Ali Kashefi Kaviani, %A Hamid Reza Baghaee, %A Gholam Hossein Riahy, %J SIMULATION: Transactions of The Society for Modeling and Simulation International %V 85 %N 2 %P 89-99 %@ 0037-5497 %D 2009-02-01 %I SAGE Publications %~ DeepDyve