TY  - BOOK
AU  - Humphreys, Kenneth K.
TI  - Jelen's cost and optimization engineering / Kenneth K.Humphreys
SN  - 0-07-100839-X
U1  - 658.15 H883j 
CY  - Estados unidos : McGraw- Hill
KW  - 1. COST ENGINEER \ 2. OPTIMIZATION
ER  -