Hydrogen showers in the auroral region

[1] The northern light spectrum and the constitution of the upper atmospheric layer. [J]. ZEITSCHRIFT FUR PHYSIK, 1923, 16 : 367 - 390

[2] VEGARD L, 1923, PHILOS MAG, V46, P195

[3] VEGARD L, 1936, GEOF PUBL, V11

[4] VEGARD L, 1932, GEOF PUBL, V9

[5] VEGARD L, 1933, GEOF PUBL, V10

[1] The northern light spectrum and the constitution of the upper atmospheric layer. [J]. ZEITSCHRIFT FUR PHYSIK, 1923, 16 : 367 - 390

[2] VEGARD L, 1923, PHILOS MAG, V46, P195

[3] VEGARD L, 1936, GEOF PUBL, V11

[4] VEGARD L, 1932, GEOF PUBL, V9

[5] VEGARD L, 1933, GEOF PUBL, V10