TY  - BOOK
AU  - ROSENTHAL,Stanley A.
AU  - 
TI  - Engineering economics and practice. 
U1  - 620.6/ROE 
PY  - 0000///Macmillan.
PY  - 1964///
CY  - New York 
KW  - Engineering
N1  - Includes index and bibliography
ER  -