TY  - BOOK
AU  - Taha Hamdy A
TI  - Operational research :  An introduction   
SN  - 0024188204
U1  - B2893, L6 
PY  - 1976///
CY  - New York 
PB  - Macmillan         
N1  - Appendix: P 601-36
ER  -