1. AFNOR Expert group, Multimedia synchronization: definitions and model, Input contribution on time variant aspects and synchronization in ODA-extensions, ISO IE JTC 1/SC 18/WG3, February 1989.
2. Gerold Blakowski, “Supporting Multimedia Information Presentation in a Distributed, Heterogeneous Environment”, in Proceedings 2nd IEEE Workshop on Future Trends of Distributed Computing Systems, Cairo, Egypt, September 30–October 2, 1990, pages 29–35, Los Alamitos: IEEE Computer Society Press 1990.
3. Gerold Blakowski, “The MODE-FLOW-GRAPH: A Processing Model for Objects of Distributed Multimedia Applications”, to be published in Proceedings International Symposium on Communication, Tainan, Taiwan, December 1991.
4. Richard Emmerich, “Design and Implementation of a Geometry Manager in X-Windows”. Diploma thesis (in German), University of Karlsruhe, Institute for Telematics, Germany, April 1991.
5. Matthew E. Hodges, Russell M. Sasnett, and Mark S. Ackerman, “Athena Muse: A Construction Set for Multi-media Applications”, IEEE Software, pages 37–43, January 1989.