J. P. Legrand

Ten cycles of solar and geomagnetic activity

J. P. Legrand, P. A. Simon · Solar Physics · 1981 · 109 citations

Geophysics, Solar Variability, Engineering +7

A two-component solar cycle

J. P. Legrand, P. A. Simon · Solar Physics · 1991 · 85 citations

Solar Variability, Engineering, Solar Power +6

On the morphology of auroral-zone X-ray events—II. Events during the early morning hours

G. Kremser, K. Wilhelm, W. Riedler et al. · Journal of Atmospheric and Terrestrial Physics · 1973 · 31 citations

Geophysics, Engineering, Auroral-zone X-ray Events—ii +5

Some solar cycle phenomena related to the geomagnetic activity from 1868 to 1980. I - The shock events, or the interplanetary expansion of the toroidal field

J. P. Legrand, P. A. Simon · 1985 · 28 citations

Geophysics, Solar Variability, Solar Cycle Phenomena +10

Some solar cycle phenomena related to the geomagnetic activity from 1968 to 1980. II: High velocity wind streams and cyclical behaviour of poloidal field

Paul Simon, J. P. Legrand · 1986 · 22 citations

Geophysics, Solar Variability, Solar Cycle Phenomena +11