Development of a Knudsen arc with a cathode spot Koval', N. N. ; Kreindel, Yu. E. ; Litvinov, E. A. ; Mesyats, G. A. ; Tolkachev, V. S. ; Shchanin, P. I. Abstract Publication: Soviet Physics Doklady Pub Date: June 1988 Bibcode: 1988SPhD...33..442K