1. Canada, Department of Transport, Meteorological Branch 1955 Climatological summary for Alert, N.W.T., June 1950 to December 1953.
2. THE OBSERVED MEAN MONTHLY WIND FIELDS IN THE LOWER STRATOSPHERE AND UPPER TROPOSPHERE OVER NORTH AMERICA
3. ANNUAL VARIATIONS OF UPPER AIR WINDS AND TEMPERATURES IN ALASKA FROM ACOUSTICAL MEASUREMENTS
4. 1951 Compendium of Meteorology, Amer. Met. Soc., p. 1,207.
5. 1957 J. Met. Soc. Japan, Annivers. Vol., p. 180.