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Tennis, J.T.: Versioning concept schemes for persistent retrieval (2006)
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Omoniyi, J.O.: Subject specialization approach to cataloguing and classification of library materials : the Nigerian experience (1997)
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Connaway, L.S.; Sievert, M.C.: Comparison of three classification systems for information on health insurance (1996)
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Chatterjee, A.: Information retrieval languages : attributes and vocabulary. A comparative study (1992)
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Crane, G.: What do you do with a million books? (2006)
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