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  • × year_i:[1960 TO 1970}
  1. Weese, L.C. de: ¬A bibliography of library user studies (1967) 5.27 
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  2. Fussler, H.H.; Siman, J.L.: Patterns in the use of books in large research libraries (1969) 5.27 
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  3. Barnes, R.C.M.: Information user studies : pt.2: comparison of some recent surveys (1965) 5.27 
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