TY - SER TI - Journal of geophysical research : JGR. Solid earth SN - 0148-0227 PY - 1991///- CY - Washington, D.C. PB - American Geophysical Union KW - Magnetism, Terrestrial KW - Periodicals KW - Geophysics N1 - UKM : v.96 (1991)- ER -