(1) J. Cao, N. Schofield, and A. Emadi: “Battery Balancing Methods: A Comprehensive Review”, in Proc. IEEE VPPC'06, pp. 1-6 (2008-9)
(2) K. Z. Guo, Z. C. Bo, L. R. Gui, and C. S. Kang: “Comparison and Evaluation of Charge Equalization Technique for Series Connected Batteries”, in Proc. IEEE PESC'06, pp. 1-6 (2006-6)
(4) A. Emori, K. Sakabe, Y. Kawahara, Y. Norimatsu, M. Kikuchi, T. Yamauchi, A. Kudou, and T. Horiba: “Development of the Control Circuits for the Li-Ion Battery Used in a HEV”, T. IEICE, Vol. J91-B, No. 1, pp. 104-111 (2008-1) (in Japanese)