1. C Berube . 1997, 'Selecting a Formula for the Canadian CPI, 1962-1994,' in 'Analytical Series,'Prices Division, Statistics Canada, Ottawa
2. Estimating Real Income in the United States from 1888 to 1994: Correcting CPI Bias Using Engel Curves
3. A Crawford . 1993, 'Measurement biases in the Canadian CPI,' in 'Technical report,'Bank of Canada, Ottawa