TY  - BOOK
AU  - Harper D J
ED  - International Conference on Specifications of Database Systems( 1st : 1991 : Glasgow )
ED  - International Conference on Specifications of Database Systems 1st
TI  - Specifications of database systems : procddeings
SN  - 3-540-19732-X
U1  - 5.74 
PY  - 1992///
CY  - Berlin
PB  - Springer Verlag
KW  - Data base systems
ER  -