TY  - BOOK
AU  - Gottlob Georg
ED  - International Conference on Database theory( 5th : 1995 : Prague )
ED  - International Conference on Database theory 5th
TI  - ICDT : proceedings
SN  - 3-540-58907-4
U1  - 5.74 
PY  - 1995///
CY  - Berlin
PB  - Springer Verlag
KW  - Data base theory
ER  -