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  • × author_ss:"Neufang, R."
  • × year_i:[1990 TO 2000}
  1. Tenopir, C.; Neufang, R.: Electronic reference options : how they stack up in research libraries (1992) 7.62 
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    Tenopir, C.
  2. Tenopir, C.; Neufang, R.: ¬The impact of electronic reference on reference librarians (1992) 7.62 
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