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Fidel, R.: Moves in online searching (1985)
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Travis, I.L.; Fidel, R.: Subject analysis (1982)
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Fidel, R.; Soergel, D.: Factors affecting online bibliographic retrieval : a conceptual framework for research (1983)
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Fidel, R.: Toward expert systems for the selection of search keys (1986)
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Fidel, R.: Database design for information retrieval : a conceptual approach (1987)
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Fidel, R.: Writing abstracts for free-text searching (1986)
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Fidel, R.: What is missing in research about online searching behaviour? (1987)
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Fidel, R.: Online searching styles : a case-study-based model of searching behavior (1984)
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