E. Ruth Hedeman · 4 obras en el catálogoObrasFFlare index for each day of IGY based on McMath-Hulbert ObseFlare index for each day of IGY based on McMath-Hulbert Observatory working list of IGY flaresMMcMath-Hulbert Observatory working list of IGY flaresMcMath-Hulbert Observatory working list of IGY flaresSSolar activity catalogueSolar activity catalogueEEvolutionary charts of solar activity (calcium plages) as fuEvolutionary charts of solar activity (calcium plages) as functions of heliographic longitude and time, 1964-1979
FFlare index for each day of IGY based on McMath-Hulbert ObseFlare index for each day of IGY based on McMath-Hulbert Observatory working list of IGY flares
MMcMath-Hulbert Observatory working list of IGY flaresMcMath-Hulbert Observatory working list of IGY flares
EEvolutionary charts of solar activity (calcium plages) as fuEvolutionary charts of solar activity (calcium plages) as functions of heliographic longitude and time, 1964-1979