Interpretation of the spectra of rare earth crystals

[1] Becquerel J, 1929, P K AKAD WET-AMSTERD, V32, P1206

[2] FREED, 1929, NATURE, V123, P525

[3] GIAUQUE, 1929, J AM CHEM SOC, V49, P1870

[4] HUND F, LINIEN SPEKTREN

[5] Kramers HA, 1929, P K AKAD WET-AMSTERD, V32, P1190

[6] Kramers HA, 1929, P K AKAD WET-AMSTERD, V32, P1176

[7] KRAMERS HA, 1929, COMMUNICATION

[8] KRAMERS HA, 1929, P AMST ACAD, V32, P1196

[9] 1929, PHYS REV, V34, P945

[10] 1930, J AM CHEM SOC, V52, P3747

[1] Becquerel J, 1929, P K AKAD WET-AMSTERD, V32, P1206

[2] FREED, 1929, NATURE, V123, P525

[3] GIAUQUE, 1929, J AM CHEM SOC, V49, P1870

[4] HUND F, LINIEN SPEKTREN

[5] Kramers HA, 1929, P K AKAD WET-AMSTERD, V32, P1190

[6] Kramers HA, 1929, P K AKAD WET-AMSTERD, V32, P1176

[7] KRAMERS HA, 1929, COMMUNICATION

[8] KRAMERS HA, 1929, P AMST ACAD, V32, P1196

[9] 1929, PHYS REV, V34, P945

[10] 1930, J AM CHEM SOC, V52, P3747