7Box G E P,Jenkins G M,Reinsel G C.Time Series Analysis:Forecasting and Control.The third edition.NY:Prentice-Hall Inc,1994.
8Dervoot M V,Dougherty M,Watson S.Combining KOHOEN maps with ARIMA time series model to forecast traffic flow.Transportation Research,1996,4(5).307-318.
9Box G E P,Jenkins G M.Time series anaylsis:orcasting and control:revised edition.San Francisco:Holden-Day,1976.