1. S. Aitken, F. Schmalhofer, N. Shadbolt. “A Knowledge Level Characterisation of Multi-Agent Systems”. Wooldridge, Jennings (Eds.): Intelligent Agents, Springer, 1995, p. 179–190
2. W. Clancey. “The Frame of Reference Problem in the Design of Intelligent Machines”. Vanlehn (Ed.): Architectures for Intelligence, Lawrence Erlbaum, 1991, p. 357–423
3. R. Conte, C. Castelfranchi. Cognitive and Social Action, UCL Press, 1995
4. K. Crowston. “A Taxonomy of Organisational Dependencies and Co-ordination Processes”. MIT Centre of Co-ordination Science Working Paper No. 174, 1994
5. J. Cuena, J. Hernández, M. Molina. “Case Presentation of the Use of Knowledge Based Models for Traffic Management — Madrid”. Proc. World Congress on Applications of Transport Telematics and Intelligent Vehicle-Highways Systems, 1994