1. and , “Scheduling the Openshop to Minimize Mean Flow Time,” Technical Report TR79-8, Department of Computer Science, University of Alberta, Canada (1979).
2. Introduction to Sequencing and Scheduling (John Wiley and Sons, New York, 1974).
3. and , Theory of Scheduling (Addison-Wesley, Reading, Mass., 1967).
4. The Complexity of Flowshop and Jobshop Scheduling
5. Sequencing a One State-Variable Machine: A Solvable Case of the Traveling Salesman Problem