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Mai, J.E.: ¬The future of general classification (2003)
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Bliss, H.E.: ¬A bibliographic classification : principles and definitions (1985)
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Foskett, D.J.: Classification and integrative levels (1985)
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Lee, D.; Robinson, L.; Bawden, D.: Modeling the relationship between scientific and bibliographic classification for music (2019)
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Sparck Jones, K.: Some thoughts on classification for retrieval (2005)
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