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Heller, S.R.: Chemistry on the Internet : the road to everywhere and nowhere (1996)
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Coutts, B.E.; Richard, J.B.: Best reference sources 1997 (1998)
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Pester, D.: Finding legal information : a guide to print and electronic sources (2003)
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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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Stabler, K.Y.: Who's on first, what's on second : patterns of reference services in academic libraries (1993)
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