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Message * Problemy Ėffektivnosti Samoregulirovanii︠a︡ Produktivnykh i Ėkonomicheskikh Sistem Materialy Mezhdunarodnoĭ Nauchnoĭ Konferent︠s︡ii, Penza, Ii︠u︡lʹ 2002 Goda - 5928200935 - 9785928200930