1. Hypertext: Behind the Hype;Bevilacqua,1989
2. The Process of Education;Bruner,1963
3. Hypertext for business communication: An introduction and bibliography;Davis;Bulletin of the Association for Business Communication,1989
4. Coordinated information services for a discipline or mission-oriented community;Engelbart,1972
5. The augmentation system framework interactive multimedia: Visions for developers, educators, and information providers;Engelbart,1988