TY  - BOOK
AU  - Churchman,West C.
AU  - Ackoff, Russell L
TI  - Introduction to operations reseaarch / 
U1  - 517.7 CHU A 
PY  - 1957///.
CY  - New York : 
PB  - John Wiley and Sons, 
KW  - Inventory models
KW  - Operations research - statistics
KW  - Statistics - models
KW  - Waiting time models
N1  - Includes index and author index.
ER  -