TY  - BOOK
AU  - Hawkes, P. W., ed.
AU  - Kasper, E., ed.
TI  - Principles of electron optics: vol. 1, basic geometrical optics
SN  - 0-12-333341-5
PY  - 1996///
CY  - London
PB  - Academic Press
KW  - Electrom optics, Geometric optics, electron optical Instruments
ER  -