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Dahlberg, I.: Classification structure principles : Investigations, experiences, conclusions (1998)
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Dahlberg, I.: Toward establishment of compatibility between indexing languages (1981)
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Jacob, E.K.: ¬The structure of context : implications of structure for the creation of context in information systems (2004)
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Hou, H.; Chen, S.: ¬The integration of Chinese classification and thesaurus : its progress and technical features (1996)
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Jacob, E.K.: Classification and categorization : a difference that makes a difference (2004)
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