Beilner, H., & Gelenbe, E. (1991). Modelling and performance evaluation of computer systems: Proceedings of the international workshop organized by the Commission of the European communities, joint research centre, Ispra establishment, department A, Ispra (Varese), Italy, October 4-6, 1976. Amsterdam: North Holland.

Beilner, H., and E. Gelenbe. Modelling and Performance Evaluation of Computer Systems: Proceedings of the International Workshop Organized By the Commission of the European Communities, Joint Research Centre, Ispra Establishment, Department A, Ispra (Varese), Italy, October 4-6, 1976. Amsterdam: North Holland, 1991.

Beilner, H., and E. Gelenbe. Modelling and Performance Evaluation of Computer Systems: Proceedings of the International Workshop Organized By the Commission of the European Communities, Joint Research Centre, Ispra Establishment, Department A, Ispra (Varese), Italy, October 4-6, 1976. Amsterdam: North Holland, 1991.