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  • × author_ss:"Luhn, H.P."
  • × year_i:[1960 TO 1970}
  1. Luhn, H.P.: Keyword-in-context index for technical literature (1960) 1.00 
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  2. Luhn, H.P.: ¬The automatic derivation of information retrieval encodements from machine-readable texts (1961) 1.00 
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