TY  - BOOK
AU  - Johnson,Lynwood A., Montgomery, Douglas C.
AU  - x
TI  - Operations research in production planning. . . : x 
SN  - x 
U1  - 658.503/JOO 
PY  - 1974///
CY  - N. Y. 
PB  - Wiley 
KW  - Operations research
KW  - Management
N1  - Includes
ER  -