3C. Clark, The Answer to the Machine is in the machine, in the future of copyright in a Digital Environment (P. B. hugnholt2 ed,, 1996) P, 139--148. Also see eg. Kamiel J. Koelman, AH ard Nut to crack., the protection of Technological measures,European Intellectual property Review, [2000]Issue 6,272.
4Information Infrastructure Task force, "Intellectual property and the National Information Infrastructure", The Report of the working Group on Intellectual property Rights, September 1995,at 230.