Valery A. Petrushin. HELENA: A Shell for Creating Educational Hypermedia Applications. In Peter Brutsilosky, Piet Kommers, Norbert A. Streitz, editors, Multimedia, Hypermedia, and Virtual Reality: Models, Systems, and Applications, First International Conference, MHVR 94, Moscow, Russia, September 14-16, 1994, Selected Papers. Volume 1077 of Lecture Notes in Computer Science, pages 237-245, Springer, 1994.
Abstract is missing.