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2. ITU-T Z.120 Recommendation, Message Sequence Charts, March 1993.
3. K. Jack, Video Demystified: A Handbook for the Digital Engineer, 2nd ed., High Text Publications.
4. A. Kind et al., Towards the seamless integration of mobile agents into service creation practice, to appear in Proceedings of IS&N'99.
5. OMG, The Common Object Request Broker: Architecture and Specification, Version 2.0, July 1995.