8Al-Jarri A S, Startzman R A.Worldwide petroleum-liquid supply and demand [J ]. Journal of Petroleum Technology, 1997 (12) : 1329-1338.
9Chang Shih-Chi.A variable P value rolling Grey forecasting model for Taiwan semiconductor industry production [J]. Technological Forecasting and Social Change, 2005 (3) : 623 -640.
