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Abels, E.G.: ¬The e-mail reference interview (1996)
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Staley, L.: E-mail reference : experiences at City University (1998)
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Makinen, R.H.: Scheduling technical services staff at the reference desk (1998)
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Lagace, N.; McClennen, M.: Managing an Internet-based distributed reference service (1998)
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Lagace, N.: ¬The Internet Public Library's 'Ask a question worldwide reference service' (1998)
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