1. Afsarmanesh, H; Camarinha, L. — Federated Information Management for Cooperative Information — in proceedings of the 8th Int. Conf. on Database and Expert Systems Applications (DEXA'97), September 97.
2. Afsarmanesh, H; Garita, C; Hertzberger, L.O.; Santos, V. — Management of Distributed Information in Virtual Enterprises: The PRODNET Approach — in proceedings of the Int. Conf. on Concurrent Enterprising (ICE'97), October 97.
3. Browne, J.; Sackett, P.J.; Wortmann, J.C (1994) — The system of manufacturing: A prospective study, Report to the DG XII of the CEC.
4. Camarinha, L; Afsarmanesh, H; Garita, C; Lima, C — Towards an Architecture for Virtual Enterprises; The Second World Congress On Intelligent Manufacturing Processes & Systems, Budapest, Hungary, June 1997.
5. The NIIIP Reference Architecture, 1996, http://www. niiip.org.