On the occurrence of helium in beryls

[1] ATKINSON, 1929, NATURE LOND, V123, P567

[2] BERNARDINI, 1935, PHYS REV, V48, P468

[3] BORN, 1936, NATURWISSENSCHAFTEN, V24, P73

[4] BURKSER, 1937, C R MOSCOW DOKLADY, V15, P193

[5] CHADWICK, 1935, P ROY SOC A, V151, P479

[6] EVANS, 1933, PHYS REV, V44, P59

[7] FRANZ, 1934, PHYS Z, V35, P219

[8] FRIEDLANDER, 1935, C R ACAD SCI PARIS, V201, P337

[9] GANS, 1933, PHYS REV, V44, P310

[10] GLUCKAUF, 1938, P ROY SOC A, V165, P229

[1] ATKINSON, 1929, NATURE LOND, V123, P567

[2] BERNARDINI, 1935, PHYS REV, V48, P468

[3] BORN, 1936, NATURWISSENSCHAFTEN, V24, P73

[4] BURKSER, 1937, C R MOSCOW DOKLADY, V15, P193

[5] CHADWICK, 1935, P ROY SOC A, V151, P479

[6] EVANS, 1933, PHYS REV, V44, P59

[7] FRANZ, 1934, PHYS Z, V35, P219

[8] FRIEDLANDER, 1935, C R ACAD SCI PARIS, V201, P337

[9] GANS, 1933, PHYS REV, V44, P310

[10] GLUCKAUF, 1938, P ROY SOC A, V165, P229