Primary Cosmic Rays

Cosmic-ray intensity variations during two solar cycles

1958 • 210 citations

Low-energy cosmic-ray events associated with solar flares

1959 • 115 citations

Abnormal Ionization in the Lower Ionosphere Associated with Cosmic-Ray Flux Enhancements

1959 • 113 citations

Observations of low-energy solar cosmic rays from the flare of 22 August 1958

1959 • 62 citations

Balloon study of high-altitude radiations during the international geophysical year

1960 • 61 citations

Balloon observation of solar cosmic rays on March 26, 1958

1959 • 59 citations

Preliminary results from the space probe Pioneer V

1960 • 23 citations

Solar radio bursts and cosmic rays

1960 • 11 citations

Observations of Intense Ionization of Long Duration below 50 km. Altitude after some Strong Solar Flares

1959 • 9 citations