TY  - BOOK
AU  - Riggs,James L.
TI  - Engineering economics
SN  - 0070528608
PY  - 1977///
CY  - New York, N.Y.
PB  - McGraw-Hill
KW  - Engineering economy
KW  - Engineering
KW  - Costs
KW  - Managerial economics
ER  -