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Park, J.-r.; Li, G.; Burger, A.: Opening and closing rituals of the virtual reference service of the Internet Public Library (2010)
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Koshik, I.; Okazawa, H.: ¬A conversation analytic study of actual and potential problems in communication in library chat reference interactions (2012)
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Epperson, T.W.; Zemel, A.: Reports, requests, and recipient design : the management of patron queries in online reference chats (2008)
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