Proceedings
Subtitle: International Association of Geomagnetism and Aeronomy, International Association of Seismology and Physics of the Earth's Interior, the Upper Mantle Committee, IUGG, September 8 and 9, 1969, Madrid
Series: IAGA symposium -- no. 9; IAGA symposium -- no. 9.
Publisher: [IUGG]
Published: 1970
Place of publication: Paris]
Language: eng
Number of pages: 240
Notes: Reprinted from Journal of geomagnetism and geoelectricity, v. 22, no. 1-2.