TY  - BOOK
AU  - Zhigarev,A., Utkin, N.
AU  - x
TI  - Electron optics and electron-beam devices: x
SN  - x
U1  - 537.56/Z64e 
PY  - 1975///
CY  - Moscow
PB  - Mir Pub.
KW  - Electronics
KW  - Physics
N1  - Includes
ER  -