1. Macworld 36 (1995) 12.
2. Los Angeles Times, September 15, 1995, p. 1D.
3. Dagens Industri, January 12, 1996, p. 10.
4. Standard for Lithium Batteries, UL 1642, third ed., Underwriters Laboratories, Northbrook, IL, 1995.
5. Review of the Research Program of the Partnership for a New Generation of Vehicles;National Research Council,2000