Collection of geomagnetic planetary indices Kp and derived daily indices, Ap and Cp, for the years 1932 to 1961.
Series: IAGA bulletin,; no. 18
Publisher: distributed by North-Holland Pub. Co.
Published: 1962
Place of publication: Amsterdam
Language: eng
Number of pages: 188
Subjects: Geomagnetism -- Observations.
Notes: At head of title: International Union of Geodesy and Geophysics, Association of Geomagnetism and Aeronomy.
Series number on mounted label.