TY  - BOOK
AU  - Tjoa A M
ED  - International Conference on Database and Expert Systems Applications( 1990 : Vienna )
ED  - International Conference on Database and Expert Systems Applications
TI  - Database and expert systems applications : proceedings
U1  - 5.74 
PY  - 1990///
CY  - Berlin
PB  - Springer Verlag
KW  - Data base theory
KW  - Expert systems
ER  -