TY  - BOOK
AU  - Gillis Floyd E.
TI  - Managerial economics :  Decision making undder certAINTY FOR BUSINESS AND ENGINEERING.   
U1  - X:8:(S:44), K9 
PY  - 1969///
CY  - Massachusetts
PB  - Addison Wesley         
KW  - Mangement
ER  -