9COLLIER S E. Ten steps to a smarter grid[C]//Rural Electric Power Conference,2009. Colorado,USA:IEEE,2009:B2-B2-7.
10MCGRANAGHAN M,VON D D. Utility experience with developing a smart grid roadmap [C]//Power and Energy Society General Meeting-Conversion and Delivery of Electrical Energy in the 21st Century,2008 IEEE. Pittsburgh,USA:IEEE,2008:1-5.
