Journal of Geophysics
Vol 46 No 1 (1979)

Journal of Geophysics
Vol 45 No 1 (1978)

Journal of Geophysics
Vol 44 No 1 (1977)

Journal of Geophysics
Vol 43 No 1 (1977)

Journal of Geophysics
Vol 42 No 1 (1976)

Journal of Geophysics
Vol 41 No 1 (1975)

Journal of Geophysics
Vol 40 No 1 (1974)