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Martin, L.M.: Evaluating OPACs or, OPACs are reference tools, too! (1992)
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- Reference librarian. 1992, no.38, S.201-220
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Jacobson, T.E.; Martin, L.M.: Merging critical thinking and the electronic library : a visionary perspective of SuperPAC, an enhanced OPAC (1993)
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- Research strategies. 11(1993) no.3, S.138-149