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Saracevic, T.; Kantor, P.: ¬A study of information seeking and retrieving : pt.3: searchers, searches, and overlap (1988)
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Saracevic, T.; Kantor, P.B.: Studying the value of library and information services : Part I: Establishing a theoretical framework (1997)
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Saracevic, T.; Kantor, P.B.: Studying the value of library and information services : Part II: Methodology and taxonomy (1997)
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Kantor, P.B.; Saracevic, T.: Quantitative study of the value of research libraries : a foundation for the evaluation of digital libraries (1999)
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Barker, A.L.: Non-Boolean searching on commercial online systems : optimising use of Dialog TARGET and ESA/IRS QUESTQUORUM (1995)
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Sewell, W.; Teitelbaum, S.: Observations of end-user online searching behavior over eleven years (1986)
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