5Spiegel R J, Greenberg D L, Kern E C, et al. Emissions Reduction Data for Grid-connection Photovoltaic Power System. Solar Energy 2000, 68 ( 5 ):475-485.
6Bakos G C. Soursos. M. Technical Feasibility and Economic Viability of a Grid-connected PV Installation for Low Cost Electricity Production [ J ] . Energy and Buildings, 2002, 34: 753-758.
