1. Lecture Notes in Computer Science;I.D. Sørby,2007
2. Studies in Health Technology and Informatics;S. Tu,2004
3. Studies in Health Technology and Informatics;Y. Dahl,2004
4. International Telecommunication Union. X.225: Open systems interconnection - connection-oriented session protocol specification (1995)
5. Garfinkel, D., Welti, B.C., Yip, T.W.: HP SharedX: A Tool for Real-Time Collaboration. Hewlett-Packard Journal 45(2), 23–36 (1994)