TY  - BOOK
AU  - Thuesen,Gerald J.
TI  - Engineering economy
T2  - 9th edition
SN  - 9788120321441
PY  - 2002///
CY  - [S.l.]
PB  - Prentice Hall
UR  - http://www.amazon.com/exec/obidos/ASIN/B001BAM7CW/chopaconline-20
ER  -