1. Sensitivity and insensitivity;Cohen;Delft Progress Report,1980
2. A(nother and general) proof of simple insensitive bounds for overflow systems;van Dijk,1986
3. Bounds for the call congestion of finite single-server exponential tandem queus;van Dijk,1985
4. Simple bounds for finite multi-server tandem queues;van Dijk,1986
5. Simple bounds for the call congestion of finite multi-server delay systems;van Dijk,1987