Editorial Statements
OPERATIONS RESEARCH 1989 37: 2-8. [Abstract] [PDF]  

In This Issue
OPERATIONS RESEARCH 1989 37: 9-11. [Abstract] [PDF]  

Warren B. Powell and Yosef Sheffi

OR Practice—Design and Implementation of an Interactive Optimization System for Network Design in the Motor Carrier Industry
OPERATIONS RESEARCH 1989 37: 12-29. [Abstract] [PDF]  

Arthur M. Geoffrion

The Formal Aspects of Structured Modeling
OPERATIONS RESEARCH 1989 37: 30-51. [Abstract] [PDF]  

David W. Sullivan and James R. Wilson

Restricted Subset Selection Procedures for Simulation
OPERATIONS RESEARCH 1989 37: 52-71. [Abstract] [PDF]  

Reuven Y. Rubinstein

Sensitivity Analysis and Performance Extrapolation for Computer Simulation Models
OPERATIONS RESEARCH 1989 37: 72-81. [Abstract] [PDF]  

Peter W. Glynn and Ward Whitt

Indirect Estimation Via L = W
OPERATIONS RESEARCH 1989 37: 82-103. [Abstract] [PDF]  

Morris A. Cohen, Paul R. Kleindorfer, and Hau L. Lee

Near-Optimal Service Constrained Stocking Policies for Spare Parts
OPERATIONS RESEARCH 1989 37: 104-117. [Abstract] [PDF]  

Uttarayan Bagchi

Simultaneous Minimization of Mean and Variation of Flow Time and Waiting Time in Single Machine Systems
OPERATIONS RESEARCH 1989 37: 118-125. [Abstract] [PDF]  

Thomas Kämpke

Optimal Scheduling of Jobs with Exponential Service Times on Identical Parallel Processors
OPERATIONS RESEARCH 1989 37: 126-133. [Abstract] [PDF]  

J. Keilson and L. D. Servi

Blocking Probability for M/G/1 Vacation Systems with Occupancy Level Dependent Schedules
OPERATIONS RESEARCH 1989 37: 134-140. [Abstract] [PDF]  

Winfried K. Grassmann and Joti L. Jain

Numerical Solutions of the Waiting Time Distribution and Idle Time Distribution of the Arithmetic GI/G/1 Queue
OPERATIONS RESEARCH 1989 37: 141-150. [Abstract] [PDF]  

V. G. Kulkarni

A New Class of Multivariate Phase Type Distributions
OPERATIONS RESEARCH 1989 37: 151-158. [Abstract] [PDF]  

Agha Iqbal Ali, Rema Padman, and Hemalatha Thiagarajan

Dual Algorithms for Pure Network Problems
OPERATIONS RESEARCH 1989 37: 159-171. [Abstract] [PDF]  

Marvin Hersh and Shaul P. Ladany

Technical Note—Optimal Pole-Vaulting Strategy
OPERATIONS RESEARCH 1989 37: 172-175. [Abstract] [PDF]  

Contributors
OPERATIONS RESEARCH 1989 37: 176-178. [Abstract] [PDF]  

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