Information systems
Vickery, B. C.
Information systems - London: The Butterworth Group, 1973 - 349p.
0-408-70456-X
Information technology
Retrieval subsystem
RR 025.5 / L3
Information systems - London: The Butterworth Group, 1973 - 349p.
0-408-70456-X
Information technology
Retrieval subsystem
RR 025.5 / L3