TY  - BOOK
TI  - Principles of engineering economy 
U1  - 338.45624 
PY  - 1950///
CY  - New York
PB  - The Ronald Press Company
KW  - MCE
N1  - 0; 0; 0; 338_456240000000000_GRA; 0; 0; 0; 338_456240000000000_GRA
ER  -