TY  - BOOK
AU  - Thalheim B
ED  - Symposium on Mathematical Fundamentals of Database and Knowledge Base Systems( 3rd : 1991 : Germany )
ED  - Symposium on Mathematical Fundamentals of Database and Knowledge Base Systems 3rd
TI  - MFDBS 91 : proceedings
U1  - 6.33 
PY  - 1991///
CY  - Berlin
PB  - Springer Verlag
KW  - Computer science
KW  - Data-base management
KW  - Knowledge-based System
ER  -