Stanton, K N, Giri, J C, Bose, A.J. "Energy Management The Electrical Engineering Handbook Ed. Richard C. Dorf Boca Raton CRC Press llc. 2000Stanton, K.N., Giri, J.C., Bose, A.J. “Energy Management” The Electrical Engineering Handbook Ed. Richard C. Dorf Boca Raton: CRC Press LLC, 2000