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- lcsh's%3a%22Subject headings%2c library of congress %2f problems%2c exercises%2c etc%22 2
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- lcshs%3a%22Subject headings%2c library of congress %2f problems%2c exercises%2c etc%22 2
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- lcshs%3a%22Subject headings%2c library of congress %2f problems%2c exercised%2c etc%22 2
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Shera, J.H.; Egan, M.: ¬The classified catalog : Basic principles and practices (1956)
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- Footnote
- Weitere Ausg. 1971 'with a code for the construction and maintenance of the classifies catalog by J.M. Lynn u. Z. Hilton
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Shera, J.H.: Pattern, structure, and conceptualization in classification for information retrieval (1957)
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- Source
- Proceedings of the International Study Conference on Classification for Information Retrieval, held at Beatrice Webb House, Dorking, England, 13.-17.5.1957