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Ensor, P.: User characteristics of keyword searching in an OPAC (1992)
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1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm
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Ensor, P.: User practices in keyword and Boolean searching on an online public access catalog (1992)
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1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm
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Ensor, P.: Knowledge level of users and nonusers of keyword/Boolean searching on an online public access catalog (1992)
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1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm