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A New Heuristic for Three-Machine Flow Shop Scheduling.
Chen, B., (1993)
Worst-Case Analysis of Heuristic Algorithms for Two-Machine Open Shop Scheduling Problem with Route-Dependent Processing Times.
Strusevich, V.A., (1993)
The Two-Stage Assembly Scheduling Problem: Complexity and Approximation
Potts, C.N., (1995)