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Naftzger, K.S.; Pandora, C.P.: In loving memory of the purple card catalog (1997)
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Alexander, B.B.; Gyeszly, S.D.: OPAC or card catalog : patrons preference in an academic library (1991)
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Sage, C.; Klaas, J.; Spalding, H.H.; Robinson, T.: ¬A queueing study of public catalog use (1981)
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Peters, T.A.: When smart people fail : an analysis of the transaction log of an online public access catalog (1989)
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Davis, D.: FirstSearch: collection management and academic libraries (1993)
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