TY  - BOOK
AU  - Ravindran A., Phillips, Don T.
AU  - x
TI  - Operations research: Principles and practice
SN  - 047185980x
U1  - 658.4034/R256o 
PY  - 1987///
CY  - New York Toronto
PB  - Wiley
KW  - Operations reseach
KW  - Operation research
N1  - Includes
ER  -