1. and , Time Series Analysis, Forecasting and Control, San Francisco: Holden Day, 1970.
2. ‘Spectral diagnosis and marginal improvements of the X-11 seasonal adjustment method for short series’. Research Paper. Seasonal Adjustment and Time Series Staff, Statistics Canada (unpublished), 1979.
3. Comparison and Assessment of Seasonal Adjustment Methods for Labor Force Series, U.S. Government Printing Office, Washington, DC, Stock No. 052-003-00603-1, 1978.
4. The X-11-ARIMA Seasonal Adjustment Method, Ottawa, Statistics Canada Publication, Catalogue No. 12-564E, 1980a.