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On approximate queueing models of dynamic job shops
Buzacott, J. A., (1985)
Stochastic monotonicity of the queue lenghts in closed queueing networks
Shanthikumar, J. George, (1987)
Stochastic processes and their network representations associated with a production line queueing model
Muth, Eginhard J., (1984)
Multi-commodity network flows
Hu, T. C., (1963)
Parallel sequencing and assembly line problems
Hu, T. C., (1961)
A decomposition algorithm for shortest paths in a network
Hu, T. C., (1968)