Annals of the International Geophysical Year v. XXXV, part I, II and III : hourly values of equatorial Dst for the IGY, by Masahisa Suqiura; Ring current variations during IGY by W. Kertz; the quiet-day magnetic variations during the IGY, by A.T. Price and D.J. Stone edited by Masahisa Suqiura, D. J. Stone, W. Kertz and A. T. Price - New Jersey Pergamon 1964 - 269p. - Annals of the International Geophysical Year .

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International Geophysical Year

550.38"1957-58" / IGY