Cosmic-ray intensity and geomagnetic effects

[41] Natural ionization in gases [J]. PHYSICAL REVIEW, 1926, 27 (05): : 542 - 554

[42] The residual ionization in air at new high pressures, and its relation to the cosmic penetrating radiation [J]. PHYSICAL REVIEW, 1931, 37 (10): : 1320 - 1337

[43] BROXON JW, 1934, TERR MAG, V39, P121

[44] Cosmic rays and the earthmagnetic field. II [J]. PHYSICA, 1937, 4 : 0659 - 0666

[45] BRUINS EM, 1938, THESIS AMSTERDAM

[46] BRUXON JW, 1931, PHYS REV, V38, P1704

[47] Buchmann E, 1928, ANN PHYS-BERLIN, V87, P509

[48] BUETTNER K, 1928, HDB EXPT PHYS, V25, P479

[49] On multiplicative showers [J]. PHYSICAL REVIEW, 1937, 51 (04): : 220 - 231

[50] High-altitude cosmic radiation measurements near the magnetic axis-pole [J]. NATURE, 1938, 141 : 910 - 911

[41] Natural ionization in gases [J]. PHYSICAL REVIEW, 1926, 27 (05): : 542 - 554

[42] The residual ionization in air at new high pressures, and its relation to the cosmic penetrating radiation [J]. PHYSICAL REVIEW, 1931, 37 (10): : 1320 - 1337

[43] BROXON JW, 1934, TERR MAG, V39, P121

[44] Cosmic rays and the earthmagnetic field. II [J]. PHYSICA, 1937, 4 : 0659 - 0666

[45] BRUINS EM, 1938, THESIS AMSTERDAM

[46] BRUXON JW, 1931, PHYS REV, V38, P1704

[47] Buchmann E, 1928, ANN PHYS-BERLIN, V87, P509

[48] BUETTNER K, 1928, HDB EXPT PHYS, V25, P479

[49] On multiplicative showers [J]. PHYSICAL REVIEW, 1937, 51 (04): : 220 - 231

[50] High-altitude cosmic radiation measurements near the magnetic axis-pole [J]. NATURE, 1938, 141 : 910 - 911