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Satija, M.P.: History of book numbers (1987)
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Satija, M.P.; Comaroni, J.P.: Beyond classification: book numbers (1992)
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Sen, B.K.: DDC readymade : a treasury to 15,000 readymade DDC class numbers relating to Indian subjects, English language and literature (2001)
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Terminology, applications and interdisciplinary communication (1993)
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Indexing techniques for advanced database systems (1997)
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