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Baldacci, M.B.: ¬L'¬accesso in rete agli OPAC e il progetto ARCA (1996)
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Marchitelli, A.; Piazzini, T.: OPAC, SOPAC e social networking : cataloghi di biblioteca 2.0? (2008)
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Guidi, F.: EasyWeb : un OPAC per le biblioteche e gli archivi (1996)
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