1. K.G. Rivette, D. Kline, A hidden weapon for high-tech battles, Upside, 2000, pp. 165–174.
2. D.K., Net patent fights may yield surprises, Upside, 2000, pp. 175–178.
3. Engines of Creation;Drexler,1986
4. United States Code, Title 35, Sections 101, 102, 103.
5. Results of the Uruguay Round, 6–19, 365–403 (1994);