TY  - BOOK
AU  - Biskup J
ED  - International Conference on Database theory( 4th : 1992 : Germany )
ED  - International Conference on Database theory 4th
TI  - ICDT : proceedings
SN  - 3-540-56039-4
U1  - 5.74 
PY  - 1992///
CY  - Berlin
PB  - Springer Verlag
KW  - Computer science
KW  - Data base theory
ER  -