共 50 条
- [1] The geographical variation of the cosmic-ray showers PHYSICAL REVIEW, 1936, 49 (12): : 0945 - 0946
- [4] PERIODIC VARIATION OF GROUND LEVEL COUNT OF COSMIC-RAY AIR SHOWERS PHYSICAL REVIEW, 1948, 73 (10): : 1227 - 1227
- [5] LATITUDE VARIATION OF THE VERTICAL COSMIC-RAY INTENSITY AT HIGH ALTITUDES PHYSICAL REVIEW, 1952, 86 (04): : 588 - 588