1. Scheduling Under Resource Constraints-Deterministic Models;Blazewicz,1986
2. Sequencing and Scheduling: An Introduction to the Mathematics of the Job-Shop;French,1982
3. Computers and Intractability: A Guide to the Theory of NP-Completeness;Garey,1979
4. Optimization and approximation in deterministic sequencing and scheduling: A survey;Graham;Annals of Discrete Mathematics,1979
5. A note on the complexity of openshop scheduling problems;Kubiak;INFOR,1991