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Cleverdon, C.W.: ASLIB Cranfield Research Project : Report on the first stage of an investigation into the comparative efficiency of indexing systems (1960) 0.01

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Footnote: Rez. in: College and research libraries 22(1961) no.3, S.228 (G. Jahoda)

Tinker, F.F.: Imprecision in meaning measured by inconsistency of indexing (1966-68) 0.00

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Content: Ergebnisse: (1) Wenn SW frei gewählt, Recherche um so schwieriger, je mehr SW; (2) 'ältere' SW häufiger und weniger genau verwendet als 'jüngere'; (3) viele Wörter mit ungenauer Bedeutung

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