1. R. Aranguren, P. Eirich, M. Fox, B. Jorgenson, R. Karinthi, K. Kosanke, F. Lynch, G. Maney, R. Neches, B. Speyer, The process of modelling and model integration, in: C. Petrie (Ed.), Proceedings of the First International Conference on Enterprise Integration Modelling, Working Group 3 of ICEIMT Workshop I, MIT Press, London, 1992.
2. How to decentralise decision through GRAI model in production management?;Doumeingts;Computers in Industry,1985
3. GRAI Integrated Methodology (GIM) and its evolutions: a methodology to design and specify advanced manufacturing systems;Doumeingts;IFIP Transactions B: Computer Applications in Technology,1994
4. M.D. Mesarovic, D. Macko, Y. Takahara, Theory of Hierarchical, Multi-level Systems, Academic Press, London, 1970.
5. H.A. Simon, The Sciences of the Artificial, MIT Press, London, 1984.