Search (2 results, page 1 of 1)

  • × author_ss:"Hayes, R.M."
  • × year_i:[1990 TO 2000}
  1. Hayes, R.M.: Measurement of information (1993) 0.09 
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  2. Hayes, R.M.: Cost of electronic reference resources and LC : the library costing model (1996) 0.04 
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