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Horning, K.T.: How can I help you? : the joys and challenges of reference work with children (1994)
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Olson, R.: Stumped reference librarians find help on the Internet (1994)
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White, M.D.: Questions in reference interviews (1998)
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Dewdney, P.; Michell, G.: Asking 'why' questions in the reference interview : a theoretical justification (1997)
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Hanne, D.: ¬A discussion of knowledge-based systems and librarians : with a selected bibliography from library science and other disciplines (1997)
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