TY  - BOOK
AU  - Hasselmeier, H., ed.
AU  - Spruth, W. G., ed.
TI  - Data base systems - Proceedings
T2  - Lecture notes in Computer Science
SN  - 3540076123
U1  - 005.74 
PY  - 1976///
CY  - Berlin
PB  - Springer Verlag
ER  -