共 7 条
- [1] Bertein F., 1948, ANN RADIOELECTR, V3, P49
- [2] Bertein F., 1947, ANN RADIOELECTR, V2, P379
- [4] IMAGING PROPERTIES OF A SERIES OF MAGNETIC ELECTRON LENSES [J]. PROCEEDINGS OF THE PHYSICAL SOCIETY OF LONDON SECTION B, 1951, 64 (383): : 956 - 971
- [5] RANG O, 1949, OPTIK, V5, P518
- [7] STURROCK PA, 1951, PHILOS T R SOC S-A, V243, P387