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Luhn, H.P.: Keyword-in-context index for technical literature (1960)
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Luhn, H.P.: ¬The automatic derivation of information retrieval encodements from machine-readable texts (1961)
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- Footnote
- Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.21-24.