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  • × theme_ss:"OPAC"
  1. Martin, L.M.: Evaluating OPACs or, OPACs are reference tools, too! (1992) 10.09 
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  2. Jacobson, T.E.; Martin, L.M.: Merging critical thinking and the electronic library : a visionary perspective of SuperPAC, an enhanced OPAC (1993) 10.09 
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