1. An architecture and a data model for integrated multimedia documents and presentational applications;Khalfallah,1995
2. An open hypermedia system for multimedia applications;Kirsta,1991
3. SAL A Hypermedia Prototype System;Lundeberg,1991
4. Petri nets: Properties analysis and applications;Murata,1989
5. Presentation layer primitives for the layered multimedia data model;Schloss,1995