00765nam0-22002771i-450-9900039208404033210-333-21707-000392084FED01000392084(Aleph)000392084FED0100039208420020725d1977----km-y0itay50------baengGB<<The >>organization and retrieval of economic knowledgeMark Perlman1977UsaStockton press1977520 p22 cmPerlman,Mark88999ITUNINARICAUNIMARCBK990003920840403321A02.2651066DECTSDECTSOrganization and retrieval of economic knowledge512220UNINA