1. D. Bertsekas and R. Gallager (1992) Data Networks, Prentice-Hall.
2. Cormen, Leiserson and Rivest (1990) Introduction to Algorithms, McGraw-Hill.
3. M. R. Garey and D. S. Johnson (1979) Computers and Intractability, Freeman, San Francisco.
4. L. Georgiadis, R. Guerin, V. Peris (1996) Efficient Network QoS Provisioning Based on per Node Traffic Shaping, In Proceedings of IEEE INFOCOM96, vol. 1, pp. 102–110.
5. R. Guerin, A. Orda, and D. Williams (1997a) QoS Routing Mechanisms and OSPF Extensions, In Proceedings of IEEE GLOBECOM97, Vol. 3, pp. 1903–1908, Phoenix, Arizona.