TY  - BOOK
AU  - Ahrens,Friedhelm
AU  - Walter,Helmut R.
ED  - GES-Gesellschaft fur elektronische Systemforschung e.V. Buhl,
TI  - Datenbanksysteme
AV  - Z699 .A374 1971
U1  - 025.04 23
PY  - 1971///]
CY  - Berlin, New York
PB  - |Walter de Gruyter
KW  - Information storage and retrieval systems
KW  - Database management
KW  - Electronic books
N1  - Includes bibliographical references (pagss [149]-150)
UR  - http://ebookcentral.proquest.com/lib/daystar-ebooks/detail.action?docID=5589640
ER  -