Active regions

�tude de la localisation des �ruptions dans la structure magn�tique �volutive des r�gions actives solaires

1968 • 65 citations

The chromospheric magnetograph

1970 • 49 citations

The Birth of Active Regions

1969 • 45 citations

Identification of the hard X-ray pulse in the flare of September 11?12, 1968

1970 • 25 citations

Detailed analysis of flares, magnetic fields and activity in the sunspot group of Sept. 13?26, 1963

1967 • 23 citations

The solar flares of August 28 and 30, 1966

1969 • 23 citations

Velocity fields in magnetically disturbed regions of the H alpha chromosphere

1970 • 3 citations