Supplementary geomagnetic data, 1957-1975
Subtitle: indices Kn, Ks and Km, 1959-1963, indices aa, 1968-1975, new list of ssc's, 1968-1975, yearly diagrams of activity, 1957-1975
By: by P.N. Mayaud and A. Romana
Contributors: Romana, A.; International Union of Geodesy and Geophysics; International Association of Geomagnetism and Aeronomy
Series: IAGA bulletin -- no. 39; IAGA bulletin -- no. 39.
Publisher: IUGG Publications Office
Published: 1977
Place of publication: Paris
Language: eng
Number of pages: 147
Subjects: Geomagnetism; Observations
Notes: At head of title: International Union of Geodesy and Geophysics. Association of Geomagnetism and Aeronomy.

Published for the International Council of Scientific Unions.