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Godfrey, K.: ¬A new world for virtual reference (2008)
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Ostrander, M.: Talking, looking, flying, searching : information seeking behaviour in Second Life (2008)
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Lewis, K.M.; DeGroote, S.L.: Digital reference access points : an analysis of usage (2008)
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Joint, N.: ¬The Web 2.0 challenge to libraries (2009)
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Shachaf, P.: ¬The paradox of expertise : is the Wikipedia Reference Desk as good as your library? (2009)
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