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Lancaster, F.W.: Information retrieval systems : characteristics, testing and evaluation (1979) 0.10

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Footnote: 1st ed.: 1968; 3rd ed. u.d.T.: Information retrieval today (gemeinsam mit A.J. Warner)

Lancaster, F.W.; Warner, A.J.: Information retrieval today (1993) 0.06

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Lancaster, F.W.: Vocabulary control for information retrieval (1986) 0.01

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Date: 22. 4.2007 10:07:51

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