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Powell, R.R.; Raber, D.: Education for reference/information service : a quantitative and qualitiative analysis of basic reference courses (1994)
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Pagell, R.A.: ¬The virtual reference librarian : using desktop videoconferencing for distance reference (1996)
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Little, J.: ¬The impact of technology on cataloguing (1997)
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Coffman, S.: Going live : starting and running a virtual reference service (2003)
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Brandt, K.A.; Campbell, J.M.; Bryant, W.F.: Reflections on reference services (1996)
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