TY - BOOK AU - Filachev, Anatoly, ed. TI - Fourth All-Russian Seminar on Problems of Theoretical and Applied Electron Optics T2 - Proceedings of SPIE; V. 4187 SN - 9780819438508 (Print) PY - 2000/// CY - Washington, USA PB - SPIE UR - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/4187 ER -