TY  - BOOK
AU  - Becker Hal B.
TI  - Functional analysis of information networks :  A st   
T2  - Business Data Processing : A Wiley Series
U1  - X:8:(D6,9(B), L3 
PY  - 1973///
CY  - New York
PB  - Wiley U. S. A.      
KW  - Management
ER  -