1. 17 U.S.C. §102(b), 1988.
2. Brown Bag Software vs. Symantec Corp., 960 F.2d 1465 (9th Cir. 1992).
3. Computer Associates International, Inc. vs. Altai, Inc., 982 F.2d 693 (2nd Cir. 1992).
4. At last a good UK software copyright case;Cook;Managing Intellectual Property,1994
5. The US and the rest of the world;Cook;Managing Intellectual Property,1994