Operations Research is also Research＆P．M．MORSE 1
The＇Scientific Method＇＆CHARLES F．GOODEVE 9
Combinatorial Analysis of Operations＆B．O．KOOPMAN 20
The Concept and Exercise of Control in Operations Research＆RUSSELL L．ACKOFF 26
The Role of Operational Research in a Decision-Making Organization＆JOHN W．ABRAMS 44
Discussion 50
Approximate Methods in Operational Research＆A．W．ROSS 55
Discussion 63
The Genesis and Practice of Operational Gaming＆CLAYTON J．THOMAS 64
Discussion 81
Lanchester-Type Models of Warfare＆HERBERT K．WEISS 82
Discussion 98
Concepts，Origins and Use of Linear Programming＆GEORGE B．DANTZIG 100
Application of Linear Programming to a Large-Scale Transportation Problem＆J．STRINGER AND K．B．HALEY 109
An Analogue Solution of the Generalized Transportation Problem With Specific Application to Marketing Location＆EDWARD L．BRINK AND JOHN S．DE CANI 123
Discussion 136
A Survey of Queueing Problems Occurring in Telephone and Telegraph Traffic Theory＆J．W．COHEN 138
Some Problems of Machine Interference＆P．NAOR 147
Discussion 164
The Mechanical Simulation of Stochastic Flow＆STAFFORD BEER 166
Use of Clustering in Mineralogical and Other Surveys＆H．H．ENGEL 176
Discussion 191
Water Storage Policy in a Simplified Hydroelectric System＆T．C．KOOPMANS 193
The Design and Error Analysis of Sampled-Data Production and Inventory Control System＆ROBERT M．OLIVER 228
Discussion 242
Standing Time of a Freight Car in a Marshalling Yard＆T．KAWATA 243
The Empty Boxcar Distribution Problem＆GEORGE J．FEENEY 250
Discussion 263
The Traffic Capacity of Weaving Sections of Roundabouts＆J．G．WARDROP 266
Discussion 280
Operational Research in Mining＆R．P．HYPHER 282
Communications in Collieries＆J．C．R．CLAPHAM and H．D．DUNN 291
The Value of Information in Decision Making＆THORNTON PAGE 306
Discussion 314
Education and Training 317
Organization of Operational Research Groups 321
Communication of Results of Operational Research 325
Relationship of Operations Research to Other Managerial Aids 327
Forecasting Future Needs and Techniques 330
Tolerances in Pitting Shoes＆J．R．MANNING 335
An Application of a Dynamic-Simulation Model to a Scheduling Problem＆MELVYN GOETZ 346
An Application of Queueing Theory to the Speed of Estimating＆F．D．ROBINSON and W．E．DUCKWORTH 358
Discussion 370
Level of Protection Afforded By Stocks(Inventories)in a Manufacturing Industry＆JOHN HARLING and M．J．BRAMSON 372
The Collection of Data on the Use of Machinery on Farms＆J．K．W．SLATER 390
Discussion 398
A．H．SCHAAFSMA，Holland 400
KENICHI KOYANAGI，KAZUO TADA and MACON FRY，Japan 423
FRANCESCO BRAMBILLA，Italy 440
CHARLES SALZMANN，France 444
DAVID BENDEL HERTZ，United States of America 455
PATRICK J．ROBINSON，Canada 469
GUNNAR DANNERSTEDT，Sweden 493
R．J．DEAM，Australia 493
HELMUT KREGELOH，Germany 494
ENRIQUE CHACON，Spain 495
KRISTEN NYGAARD，Norway 496
GLEN D．CAMP，Turkey 497
ERIK JENSEN，Denmark 498
JACQUES WANTY，Belgium 498
JAN ODERFELD，Poland 499
R．S．GANDER，United Kingdom 500
C．WEST CHURCHMAN，Summing-Up 514
Colloquia on Operational Research Activities 521
List of Delegates 522