1. ATM Forum (1996) Traffic Management Specifications v.4.0, af-tm-0056.000. Cukier, K. (1997)...Net tariffing lags behind, Communications International, 7 April, p. 4.
2. Firdmand, E. (1997) Rx for the Internet: Usage-Based Pricing, Data Communications, Jan., pp. 27 - 28.
3. Greenfield, D. (1997) Euro-ATM Get Ready for the Rollouts, Data Communications, Feb., pp. 48A - 48G.
4. Heckart, C. (1995) ATM Services, The Truth, Telephony, Sept. 18.
5. IETF (1994) RFC1633 Integrated services in the Internet architecture: an overview. ITU-T (1996) Recommendation I. 371, Traffic control and congestion control in B-ISDN. International Telecommunication Union, 90 p.