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Waltman, L.; Eck, N.J. van: ¬A new methodology for constructing a publication-level classification system of science : keyword maps in Google scholar citations (2012)
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Wang, Z.; Chaudhry, A.S.; Khoo, C.: Support from bibliographic tools to build an organizational taxonomy for navigation : use of a general classification scheme and domain thesauri (2010)
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Hjoerland, B.: ¬The methodology of constructing classification schemes : a discussion of the state-of-the-art (2003)
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Rolland-Thomas, P.: Thesaural codes : an appraisal of their use in the Library of Congress Subject Headings (1993)
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Satija, M.P.: Relationships in Ranganathan's Colon Classification (2001)
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