Information systems
Vickery, B C
Information systems - London: Butterworth, 1973 - 350p.
040870456X
Information science
Communication Information retrieval system
D 002:025.4 / K11;L3;2
Information systems - London: Butterworth, 1973 - 350p.
040870456X
Information science
Communication Information retrieval system
D 002:025.4 / K11;L3;2