Search (5 results, page 1 of 1)

  • × year_i:[1980 TO 1990}
  1. Hernon, P.; McClure, C.R.: Library reference service : an unrecognized crisis - a symposium (1987) 9.21 
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  2. Hernon, P.: Utility measures, not performance measures, for library reference service? (1987) 9.21 
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  3. Hernon, P.; McClure, C.R.: Quality of data issues in unobtrusive testing of library reference service : recommendations and strategies (1987) 9.21 
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  4. Hernon, P.; McClure, C.R.: Unobtrusive reference testing : the 55 percent rule (1986) 9.21 
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  5. Chen, C.-C.; Hernon, P.: Information seeking : assessing and anticipating user needs (1982) 9.21 
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