TY  - BOOK
AU  - Demetrovics J
ED  - Symposium on Mathematical Fundamentals of Database Systems( 2nd : 1989 : Hungary )
ED  - Symposium on Mathematical Fundamentals of Database Systems 2nd
TI  - MFDBS : proceedings
SN  - 3-540-51251-9
U1  - 5.74 
PY  - 1989///
CY  - Berlin
PB  - Springer Verlag
KW  - Database systems
ER  -