1. Hysteresis-type behaviour in networks with extensive overflow;Ackerley;British Telecom Technol. J.,1987
2. The overload performance of engineered networks with non-hierarchical and hierarchical routing;Akinpelu,1983
3. The simple overflow problem in the theory of telephone traffic;Brockmeyer;Teleknik,1954
4. Introduction to Queueing Theory;Cooper,1981
5. Protection of a traffic stream against surges in another traffic stream making use of the same group of circuits;Dijk;Het PTT Bedrijf,1967