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Yi, K.: Challenges in automated classification using library classification schemes (2006)
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Kumbhar, R.: Library classification trends in the 21st century (2012)
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Wang, J.: ¬An extensive study on automated Dewey Decimal Classification (2009)
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Batley, S.: Classification in theory and practice (2005)
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Hurt, C.D.: Classification and subject analysis : looking to the future at a distance (1997)
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