TY  - BOOK
AU  - Newnan,Donald G
AU  - Johnson,Bruce
TI  - Engineering economic analysis 
SN  - 9780198069010
AV  - TA177.4 .N48 1995
U1  - 658.15 23
PY  - 2015///
CY  - New Delhi 
PB  - Oxford University Press
KW  - Engineering economy
ER  -