Filachev, A. Fourth All-Russian Seminar on Problems of Theoretical and Applied Electron Optics. SPIE Digital Library.
Chicago-viite (17. p.)Filachev, Anatoly. Fourth All-Russian Seminar on Problems of Theoretical and Applied Electron Optics. SPIE Digital Library.
MLA-viite (9. p.)Filachev, Anatoly. Fourth All-Russian Seminar on Problems of Theoretical and Applied Electron Optics. SPIE Digital Library.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.