7U. S. Census Burean. X-12ARIMA reference manual version 0.2. 10,1-48[R]. 2002, http://www. cencus. gov./fpt/pub.
8David F. Findley, Brian C. Monsell, William R. Bell, Mark C. Otto, Bor-Chung Chen.. New capabilities and methods of the X-12 ARIMA seasonal adjustment program [J]. Journal of Business and Economic Statistics, 2002, 6-13,30-50.
9Catherine C. Hood.. Comparison of time series characteristics for seasonal adjustments from SEATS and X-12-ARIMA[J]. ASA proceedings, October, 2002.
10David F. Findley, Catherine C. Hood.. X-12-ARIMA and its application to some italian indicator series[J]. Journal of the American Statistical Association,June, 1999.