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Swanson, D.R.: Requirements study for future catalogs (1972)
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Swanson, D.R.: Subjective versus objective relevance in bibliographic retrieval systems (1986)
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Swanson, D.R.: Information retrieval as a trial-and-error process (1977)
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Swanson, D.R.: ¬The evidence underlying the Cranfield results (1965)
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Hjoerland, B.: ¬The methodology of constructing classification schemes : a discussion of the state-of-the-art (2003)
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Heron, S.J.; Simpson, B.; Weiss, A.K.; Phillips, J.: Merging catalogs : creating a shared bibliographic environment for the State University Libraries of Florida (2013)
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Hoerman, H.L.; Furniss, K.A.: Turning practice into principles : a comparison of the IFLA Principles underlying Subject Heading Languages (SHLs) and the principles underlying the Library of Congress Subject Headings system (2000)
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