1. Bell, W. H., & Hillmer, S. C. (1984). Issues involved with the seasonal adjustment of economic time series. Journal of Business and Economic Statistics, 2, 291–320.
2. Bobbit, L., & Otto, M. C. (1990). Effects of forecasts on the revisions of seasonally adjusted values using the X11 seasonal adjustment procedure. In Proceedings of the American Statistical Association Business and Economic Statistics Session (pp. 449–453).
3. Box, G. E. P., & Jenkins, G. M. (1970). Time series analysis: Forecasting and control. Holden-Day: San Francisco (2nd ed., 1976).
4. Box, G. E. P., & Tiao, G. C. (1975). Intervention analysis with applications to economics and environmental problems. Journal of the American Statistical Association, 70, 70–79.
5. Cholette, P. A. (1979). A comparison and assessment of various adjustment methods of sub-annual series to yearly benchmarks. Research paper. Seasonal Adjustment and Time Series Staff, Statistics Canada, Ottawa.