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Butterfield, K.: Online Public Access Catalogs (OPACs) (2009)
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Wilks, B.B.: What every librarian should know about on-line searching (1988)
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Yee, M.M.: System design and cataloging meet the user : user interfaces to online public access catalogs (1991)
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Akeroyd, J.; Brimage, D.; Royce, C.: Using CD-ROM as a public access catalogue (1988)
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Balas, J.L.: Debating public access to the Internet (1998)
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