TY  - BOOK
AU  - Siemens,Nicolai
AU  - Marting,C.H.
AU  - Greenwood,Frank
TI  - Operations research: planning, operating and information systems
U1  - 658.4034 
CY  - New York
PB  - Free Press, c1973
KW  - Operations research
KW  - Management information systems
KW  - Planning
N1  - Includes index
ER  -