TY  - BOOK
AU  - "Degarmo, E. Paul"
AU  - "Canada, John R.; Sullivan, William G."
TI  - Engineering economy
SN  - 0-02-946120-0
U1  - 658.1596 
PY  - 1984///
CY  - U.K.
PB  - Macmillan Publishing Company
ER  -