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Batty, C.D.: ¬An introduction to the seventeenth edition of the Dewey Decimal Classification (1967)
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Batty, C.D.: ¬An introduction to Colon Classification : a programmed text (1966)
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Batty, C.D.: Introduction to the nineteenth edition of the Dewey Decimal Classification (1981)
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Batty, C.D.: ¬An introduction to the eighteenth edition of the Dewey Decimal Classification (1971)
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Batty, D.: ¬An introduction to the twentieth edition of the Dewey Decimal Classification (1992)
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Prasher, R.G.: Index and indexing (1990)
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Patwardhan, D.V.: Chain indexing : a new look at old technique (1988)
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Kumar, T.V.R.; Parameswaran, M.: Chain indexing and LISA (1998)
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Lu, G.: ¬An approach to image retrieval based on shape (1997)
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Mineur, B.W.: Relations in chains (1973)
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