1. Monotonicity of the throughput of a closed queueing network in the number of jobs;Adan,1987
2. Monotonicity of the throughput of an open queueing network in the interarrival and service times;Adan,1987
3. Simple bounds for queueing systems with breakdowns;van Dijk,1986
4. Another and general proof for simple bounds for overflow systems;van Dijk,1986
5. Bounds for the call congestion of finite single-server exponential tandem queues;van Dijk,1985