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2. “Bayes Adaptive Control of Two-Echelon Multi-Station Inventory Systems,” The George Washington University Institute for Management Science and Engineering, Technical Memorandum Serial TM-61541 (1970).
3. and , Bayes Adaptive Control of Two-Echelon Multi-Station Inventory Systems, II: Further Development for a Special Case of One-Station Lower Echelon, and Monte Carlo Evaluation, The George Washington University Institute for Management Science and Engineering, Technical Memorandum Serial TM-80141 (1971).
4. “On the Optimal Ordering Level of the Lower Echelon in Two-Echelon Inventory Systems,” The George Washington University Institute for Management Science and Engineering, Technical Memorandum Serial TM-80237 (1972).