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Lancaster, F.W.; Mills, J.: Testing indexes and index language devices : the ASLIB Cranfield project (1964)
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Cleverdon, C.W.: ¬The Cranfield tests on index language devices (1967)
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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)
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- Footnote
- Rez. in: College and research libraries 22(1961) no.3, S.228 (G. Jahoda)