TY  - BOOK
AU  - El-Kareh,A.B.
AU  - El-Kareh,J.C.J.
TI  - Electron beams, lenses, and optics
U1  - 537.56 
PY  - 1970///
CY  - New York
PB  - Academic Press
KW  - Electron optics
KW  - Electrostatics
N1  - Includes index
ER  -