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Stevens, N.D.: ¬The importance of the verb in the reference question (1988)
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Stevens, N.D.: ¬The catalogs of the future : a speculative essay (1980)
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Stevens, N.D.: Evaluating reference books in theory and practice (1986)
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Stevens, N.D.: ¬The flaw of subject access in the library catalog : an opinion (1984)
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