1. Adept Editor from ArborText home page; http://www.arbortext.com/
2. A.V. Aho and J.D. Ullman, Principles of Compiler Design, Addison-Wesley: Reading, MA, 1977.
3. D.B. Arnold and P.R. Bono, CGM and CGI Metafile and Interface Standards for Computer Graphics, Springer-Verlag: Berlin, 1988.
4. Authorware from Macromedia home page; http://www.macromedia.com/
5. Balise home page; http://www.balise.com/