1. An Econometric Analysis of International Travel;Artus;International Monetary Fund Staff Papers,1972
2. Seasonality in Tourism — Part 1. International Tourism Quartely;Bar On;Special Article No. 6,1972
3. Analysis of Seasonality and Trends in Statistical Series — Methodology and Applications in Israel;Bar On,1973
4. Forecasting Tourism — Theory and Practice;Bar On,1979
5. The Combination of Forecasts;Bates;Operational Research Quarterly,1969