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  • × author_ss:"Kesselman, M."
  • × theme_ss:"Informationsdienstleistungen"
  • × year_i:[1980 TO 1990}
  1. Kesselman, M.; Watstein, S.B.: ¬The measurement of reference and information service (1987) 0.01 
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    Source
    Journal of academic librarianship. 13(1987) no.3, S.24-30