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Cleverdon, C.W.: ¬The Cranfield tests on index language devices (1967) 0.00

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Footnote: Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.47-58.
Source: Aslib proceedings. 19(1967), S.173-194

Cleverdon, C.W.: Evaluation tests of information retrieval systems (1970) 0.00

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Source: Journal of documentation. 26(1970), S.55-67

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