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- [2] Electron guns for electron microscopy Izvestiya Akademii Nauk. Ser. Fizicheskaya, 2001, 65 (09): : 1363 - 1367
- [6] ELECTRON GUNS FOR WELDING METAL CONSTRUCTION AND BRITISH WELDING JOURNAL, 1970, 2 (11): : 490 - &
- [8] TRAJECTORY PLOTTING IN ELECTRON GUNS PROCEEDINGS OF THE PHYSICAL SOCIETY OF LONDON, 1959, 74 (476): : 177 - 182