TY  - BOOK
AU  - Riggs, James L.
TI  - Production systems: planning, analysis, and control 
T2  - The Wiley series in management
SN  - 0471059463
U1  - 658.5 
PY  - 1981///
CY  - New York
PB  - Wiley
KW  - Production management
N1  - Includes bibliographies and index
ER  -