1. (1) M. Yamamoto, A. Takamuku, H. Ooto, and S. Sakai: “Development of Li Ion Cells for Satellite Applications”, FB Technical News, No. 56, p. 64 (2000-11.1) (in Japanese)
2. (4) T. Matsushima, S. Takagi, and S. Muroyama: “Development of a Rack-mounted DC Power Supply System Utilizing Li-ion Batteries for Backup”, Technical Report of IEICE, Vol. 104, No. 219, EE2004-21 (2004-7) (in Japanese)
3. (5) S. Takagi, T. Matsushima, and S. Muroyama: “Development of a Rack-Mounted DC-Power-Supply System Utilizing Lithium-Ion Batteries for Back up”, Proc. of INTELEC'04, 15-1 (2004)
4. (6) T. Matsushima, S. Takagi, and S. Muroyama: “Rack-mounted DC Power Supply System Utilizing Li-ion Batteries for Backup”, IEICE Trans., Vol. E88-B, No. 11, p. 4353 (2005)
5. (7) T. Matsushima, S. Takagi, S. Muroyama, and T. Horie: “Fundamental Characteristics of Stationary Lithium-Ion Secondary Cells and Cell Voltage Management System”, Proc. of INTELEC'04, 8-2, Chicago, USA (2004)