M. Ohshio

Negative Sudden Phase Anomaly

M. Ohshio, 1971 .

Solar X-ray flares and their corresponding sudden ionospheric disturbances

K. Ohtaka, M. Ohshio, Y. Terajima, 1973 .

SOLAR FLARE EFFECT ON GEOMAGNETIC VARIATION

N. Fukushima, M. Ohshio, 1963 .