The electron orbits in the excited helium atom.

[1] BOHR N, 1922, UNPUB

[2] BOHR N, 1922, 3 AUFSATZE SPEKTREN, P78

[3] Applications of quantum teaching in the theory of series spectra [J]. NATURWISSENSCHAFTEN, 1918, 6 (1-52) : 230 - 253

[4] The influence of an electrical field on the fine structure of hydrogen lines [J]. ZEITSCHRIFT FUR PHYSIK, 1920, 3 : 199 - 223

[5] On the model of the helium atom [J]. ZEITSCHRIFT FUR PHYSIK, 1923, 13 : 312 - 341

[6] LAUDE A, 1919, PHYS, V20, P228

[7] Pauli W., 1922, Z PHYS, V10, P137

[8] VANVLECK JH, 1923, PHYS REV, V21, P372

[1] BOHR N, 1922, UNPUB

[2] BOHR N, 1922, 3 AUFSATZE SPEKTREN, P78

[3] Applications of quantum teaching in the theory of series spectra [J]. NATURWISSENSCHAFTEN, 1918, 6 (1-52) : 230 - 253

[4] The influence of an electrical field on the fine structure of hydrogen lines [J]. ZEITSCHRIFT FUR PHYSIK, 1920, 3 : 199 - 223

[5] On the model of the helium atom [J]. ZEITSCHRIFT FUR PHYSIK, 1923, 13 : 312 - 341

[6] LAUDE A, 1919, PHYS, V20, P228

[7] Pauli W., 1922, Z PHYS, V10, P137

[8] VANVLECK JH, 1923, PHYS REV, V21, P372