TY  - BOOK
AU  - Spruth,W.G.
AU  - Hasselmeier,H.
ED  - Informatik Symposium
ED  - IBM Deutschland
ED  - IBM World Trade Corporation
TI  - Data base systems: proceedings 
AV  - QA76.9 D3 I52 1975
PY  - 1976///
CY  - Berlin
PB  - Springer
KW  - Data base management
KW  - Congresses
N1  - Sponsored by IBM Germany and the IBM World Trade Corporation; English and German
ER  -