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  • × author_ss:"Ball, N.T."
  • × year_i:[1950 TO 1960}
  1. Ball, N.T.: Contributions of classification to science (1957) 0.00 
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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