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  • × year_i:[1980 TO 1990}
  1. Murfin, M.E.; Gugelchuk, G.M.: Development and testing of a reference transaction assessment instrument (1987) 9.50 
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    Author
    Murfin, M.E.
  2. Bunge, C.A.; Murfin, M.E.: Reference questions : data from the field (1987) 9.50 
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