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Rowley, J.E.: Organising knowledge : An introduction to information retrieval (1987) 0.20

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LCSH: Information storage and retrieval systems
PRECIS: Information retrieval systems
Subject: Information storage and retrieval systems
Information retrieval systems

Rijsbergen, C.J. van: Information retrieval (1979) 0.13

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LCSH: Information storage and retrieval systems
RSWK: Information Retrieval
Datenverarbeitung / Information Retrieval
Subject: Information Retrieval
Datenverarbeitung / Information Retrieval
Information storage and retrieval systems

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