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Footnotes

*Some time ago the author prepared several reports on long-range forecasting methods including those of Baur and Multanovski (to be published) and recently spent 8 months in Europe, mainly in England, studying the method developed many years ago by Sir Gilbert Walker. The article gives the essentials of a talk before the M. I. T.-Harvard-A. M. S. seminar in Meteorology, Feb. 13, 1939.

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