TY  - BOOK
AU  - Blumenthal Sherman C.
TI  - Management information systems :  A frame work for   
T2  - Prentice Hall series in automatic computation
U1  - X:8:(D6,9(B), K9 
PY  - 1969///
CY  - New Jersey 
PB  - Prentice Hall        
KW  - Management
ER  -