TY  - BOOK
AU  - Kaufmann,Arnold
TI  - Methods and models of operations research / 
U1  - 519.2 KAU 
PY  - 1963///.
CY  - Englewood Cliffs : 
PB  - Prentice-Hall, 
KW  - Operations research - methodology
KW  - Queueing theory
ER  -