Information retrieval
Rijsbergen, C. J. van
Information retrieval - London: Butter Worths, 1975 - 152p.
Scientific information
Automatic classification Future
D 002:681.32 / L5
Information retrieval - London: Butter Worths, 1975 - 152p.
Scientific information
Automatic classification Future
D 002:681.32 / L5