TY  - BOOK
AU  - Burnham, T. H.
AU  - Hoskins, George O.
TI  - Engineering Economics Book 1 
U1  - 658.15202462 
PY  - 1940///
CY  - London : 
PB  - Isaac Pitman, 
KW  - Engineering Economy
N1  - NN
ER  -