The nature of the crystalline fields present in Er-2(SO4)(3).8H(2)O

[1] BETHE, 1929, ANN PHYS, V3, P133

[2] GORTER, LEIDEN COMM, pB218

[3] JACKSON, 1936, PHYS SOC LONDON SEP

[4] Kramers HA, 1930, P K AKAD WET-AMSTERD, V33, P959

[5] Meyer S, 1925, PHYS Z, V26, P51

[6] Meyer S, 1925, PHYS Z, V26, P478

[7] PENNEY, 1932, PHYS REV, V42, P666

[8] PENNEY, 1932, PHYS REV, V41, P194

[9] SELWOOD, 1933, J AM CHEM SOC, V55, P3161

[10] SLATER, 1930, PHYS REV, V36, P1

[1] BETHE, 1929, ANN PHYS, V3, P133

[2] GORTER, LEIDEN COMM, pB218

[3] JACKSON, 1936, PHYS SOC LONDON SEP

[4] Kramers HA, 1930, P K AKAD WET-AMSTERD, V33, P959

[5] Meyer S, 1925, PHYS Z, V26, P51

[6] Meyer S, 1925, PHYS Z, V26, P478

[7] PENNEY, 1932, PHYS REV, V42, P666

[8] PENNEY, 1932, PHYS REV, V41, P194

[9] SELWOOD, 1933, J AM CHEM SOC, V55, P3161

[10] SLATER, 1930, PHYS REV, V36, P1