In This Issue
OPERATIONS RESEARCH 1990 38: 568-570, 735. [Abstract] [PDF]  

Lawrence D. Bodin

Twenty Years of Routing and Scheduling
OPERATIONS RESEARCH 1990 38: 571-579. [Abstract] [PDF]  

Andrew Ford

Estimating the Impact of Efficiency Standards on the Uncertainty of the Northwest Electric System
OPERATIONS RESEARCH 1990 38: 580-597. [Abstract] [PDF]  

Hung-Po Chao and Robert Wilson

Optimal Contract Period for Priority Service
OPERATIONS RESEARCH 1990 38: 598-606. [Abstract] [PDF]  

Fidelis M. Ikem and Arnold M. Reisman

An Approach to Planning for Physician Requirements in Developing Countries Using Dynamic Programming
OPERATIONS RESEARCH 1990 38: 607-618. [Abstract] [PDF]  

Åsa Hallefjord and Sverre Storøy

Aggregation and Disaggregation in Integer Programming Problems
OPERATIONS RESEARCH 1990 38: 619-623. [Abstract] [PDF]  

Donald Goldfarb, Jianxiu Hao, and Sheng-Roan Kai

Efficient Shortest Path Simplex Algorithms
OPERATIONS RESEARCH 1990 38: 624-628. [Abstract] [PDF]  

R. S. Garfinkel and W. J. Plotnicki

Fixed Cycle Scheduling: A Solvable Problem with Empty Precedence Structure
OPERATIONS RESEARCH 1990 38: 629-633. [Abstract] [PDF]  

Mordechai Henig and Yigal Gerchak

The Structure of Periodic Review Policies in the Presence of Random Yield
OPERATIONS RESEARCH 1990 38: 634-643. [Abstract] [PDF]  

Suresh Chand and Suresh P. Sethi

A Dynamic Lot Sizing Model with Learning in Setups
OPERATIONS RESEARCH 1990 38: 644-655. [Abstract] [PDF]  

Maqbool Dada and K. N. Srikanth

Monopolistic Pricing and the Learning Curve: An Algorithmic Approach
OPERATIONS RESEARCH 1990 38: 656-666. [Abstract] [PDF]  

Hideaki Takagi

Priority Queues with Setup Times
OPERATIONS RESEARCH 1990 38: 667-677. [Abstract] [PDF]  

J. C. W. Van Ommeren

Simple Approximations for the Batch-Arrival Mx/G/1 Queue
OPERATIONS RESEARCH 1990 38: 678-685. [Abstract] [PDF]  

Meir J. Rosenblatt and Uriel G. Rothblum

On the Single Resource Capacity Problem for Multi-Item Inventory Systems
OPERATIONS RESEARCH 1990 38: 686-693. [Abstract] [PDF]  

Yves Dallery and Kathryn E. Stecke

On the Optimal Allocation of Servers and Workloads in Closed Queueing Networks
OPERATIONS RESEARCH 1990 38: 694-703. [Abstract] [PDF]  

Bruce W. Lamar, Yosef Sheffi, and Warren B. Powell

A Capacity Improvement Lower Bound for Fixed Charge Network Design Problems
OPERATIONS RESEARCH 1990 38: 704-710. [Abstract] [PDF]  

Dev Joneja

The Joint Replenishment Problem: New Heuristics and Worst Case Performance Bounds
OPERATIONS RESEARCH 1990 38: 711-723. [Abstract] [PDF]  

Offer Kella

Optimal Control of the Vacation Scheme in an M/G/1 Queue
OPERATIONS RESEARCH 1990 38: 724-728. [Abstract] [PDF]  

George S. Fishman

How Errors in Component Reliability Affect System Reliability
OPERATIONS RESEARCH 1990 38: 728-732. [Abstract] [PDF]  

Appreciation to 1989 Referees
OPERATIONS RESEARCH 1990 38: 736-741. [Abstract] [PDF]  

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