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  • × author_ss:"Fishman, D.L."
  • × theme_ss:"Informationsdienstleistungen"
  • × theme_ss:"Internet"
  • × language_ss:"e"
  • × year_i:[1990 TO 2000}
  1. Fishman, D.L.: Managing the virtual reference desk : how to plan an effective reference e-mail system (1998) 1.00 
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