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  • × language_ss:"e"
  • × year_i:[1950 TO 1960}
  1. Luhn, H.P.: ¬A statistical approach to the mechanical encoding and searching of literary information (1957) 0.08 
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  2. Luhn, H.P.: Keyword-in-context index for technical literature : KWIC index (1959) 0.06 
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  3. ¬The Role of classification in the modern American library : papers presented at an institute conducted by the University of Illinois Graduate School of Library Science, 1.-4.11.1959 (1959) 0.02 
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    Date
    3.10.2000 10:22:59

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