TY  - BOOK
AU  - Humphreys,Kenneth K.
TI  - Jelens cost and optimization engineering
SN  - 0070536465
AV  - TS167 .J45 1991
U1  - 658.15 
PY  - 1991///
CY  - New York
PB  - McGraw-Hill
KW  - Costs
KW  - Industrial
ER  -