TY  - BOOK
AU  - Varsegi,Alex
TI  - Fourth generation business systems
SN  - 047161548X
PY  - 1989///
CY  - New York, N.Y.
PB  - John Wiley & Sons
KW  - Business
KW  - Data processing
KW  - Fourth generation computers
KW  - Expert systems (Computer science)
KW  - System design
N1  - Includes index
ER  -