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An operational research study in a group of public libraries
Ritchie, E., (1978)
The role of departmental libraries in operations research studies in a university library
Andrews, Theodora, (1968)
Search theory and browsing
Morse, Philip M., (1970)
Information retrieval systems : characteristics, testing and evaluation
Lancaster, F. Wilfrid, (1979)
Information retrieval systems : characteristics, testing, and evaluation
Lancaster, F. Wilfrid, (1968)
Proceedings of the 1972 Clinic on Library Applications of Data Processing: Applications of on-line computers to library problems
Lancaster, F. Wilfrid, (1972)