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Chen, W.Y.: Observations on cataloguing and classification (1991)
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Knull-Schlomann, Kristina (Red.): New pespectives on subject indexing and classification : essays in honour of Magda Heiner-Freiling (2008)
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Wainer, J; Przibisczki de Oliveira, H.; Anido, R.: Patterns of bibliographic references in the ACM published papers (2011)
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Policy, issues, and networked information (1995)
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Chung, Y.-K.: Bradford distribution and core authors in classification systems literature (1994)
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