共 4 条
[1]
FOCAL PROPERTIES AND CHROMATIC AND SPHERICAL ABERRATIONS OF THE 3-ELECTRODE ELECTRON LENS
[J].
BRITISH JOURNAL OF APPLIED PHYSICS,
1956, 7 (09)
:330-332
[2]
EVERHART TE, 1958, THESIS CAMBRIDGE U
[3]
MCMULLAN D, 1952, THESIS CAMBRIDGE U
[4]
SPREADBURY PJ, 1958, THESIS CAMBRIDGE U