Sugiura, Masahisa Equatorial Dst index,1957-1986 Masahisa Sugiura and Toyohisa Kamei - France ISGI 1991 - 246p. - IAGA Bulletin No.40 . Subjects--Topical Terms: Iaga IndicesIuggInternational Union Of Geodesy And GeophysicsEquatorial Dst IndexIaga Bulletin-data Universal Decimal Class. No.: 550.38 / IAGA