The electron emission from thoriated tungsten filaments

[11] Schottky W, 1914, PHYS Z, V15, P872

[12] VOLMER, 1921, Z PHYS, V7, P1

[13] VOLMER, 1921, Z PHYS, V7, P13

[14] 1917, Patent No. 1244217

[15] 1914, PHYS REV, V4, P544

[16] 1920, SMITHSONIAN PHYS TAB, P68

[17] 1922, GEN ELEC REV, V25, P445

[18] 1922, PHYS REV, V20, P107

[19] 1916, J AM CHEM SOC, V38, P2280

[20] 1916, T AM ELECTROCHEM SOC, V29, P137

[11] Schottky W, 1914, PHYS Z, V15, P872

[12] VOLMER, 1921, Z PHYS, V7, P1

[13] VOLMER, 1921, Z PHYS, V7, P13

[14] 1917, Patent No. 1244217

[15] 1914, PHYS REV, V4, P544

[16] 1920, SMITHSONIAN PHYS TAB, P68

[17] 1922, GEN ELEC REV, V25, P445

[18] 1922, PHYS REV, V20, P107

[19] 1916, J AM CHEM SOC, V38, P2280

[20] 1916, T AM ELECTROCHEM SOC, V29, P137