1461. Hollow cathode effect in low-voltage Penning discharge: V A Gruzdev and G G Vasileva, Sb Rab Aspir Tomsk Inst Radioelektr Elektron Tekh, 1, 1969, 262–269 (in Russian)Vacuum1971PDF149 KB
1467. Effect of hollow cathodes in a low-voltage Penning discharge: V A Gruzdev and Yu Kreyndel, Sb Rab Aspir Tomsk Inst Radioelektr Elektron Tekh, 1, 1969, 270–275 (in Russian)Vacuum1971PDF142 KB