TY  - BOOK
AU  - Dittrich, Klaus R.,ed.
AU  - Dayal, Umeshwar.,ed.
AU  - Buchmann, Alejandro P.,ed.
TI  - On object-oriented databaase systems
T2  - Topics in information systems
SN  - 3540534962
U1  - 005.75 
PY  - 1991///
CY  - Berlin
PB  - Springer-Verlag
ER  -