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  • × author_ss:"Voorbij, H."
  • × theme_ss:"Informationsmittel"
  1. Voorbij, H.: Wetenschappelijke informatie zoeken op Internet : landelijk gebruikersoderzoek (1998) 0.01 
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  2. Voorbij, H.: Searching scientific information on the Internet : a Dutch academic user survey (1999) 0.00 
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