TY - SER ED - American Geophysical Union. TI - Journal of geophysical research SN - 0148-0227 U1 - 550 22 PY - 1970///- CY - Washington, D.C. PB - American Geophysical Union, KW - Geomagnetism KW - Periodicals KW - Geophysics KW - Astrophysics N1 - Latest issue consulted: Vol. 75, no. 26 (Sept. 1970) ER -