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.
Series: IAGA bulletin -- no. 39
Publisher: IUGG Publications Office
Published: 1977
Place of publication: Paris
Language: eng
Number of pages: 147
Subjects: Geomagnetism.; Geomagnetism -- Observations.
Genres: 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.