TY  - BOOK
AU  - Humphreys, Kenneth K. Ed.
TI  - Jelen's cost and optimization engineering
SN  - 0070536465
U1  - 658.15 
PY  - 1991///
CY  - New York
PB  - McGraw Hill International Book Co. 
KW  - Cost control
KW  - Costs, Industrial
ER  -