TY  - BOOK
AU  - Phillips, Don T.
AU  - Ravindran, A.
AU  - Solberg, James J.
TI  - Operations research : principles and practice
SN  - 0471687073
AV  - T57.6P48 1976 
PB  - John Wiley
KW  - Operations research
KW  - T
N1  - Bibliographies
ER  -