共 4 条
- [1] Busch H, 1926, ANN PHYS-BERLIN, V81, P974
- [2] Contribution to the combined use of electric and magnetic electron lenses. [J]. ZEITSCHRIFT FUR PHYSIK, 1933, 86 (5-6): : 367 - 372
- [3] Progress in the construction and performance of the magnetic electron microscope [J]. ZEITSCHRIFT FUR PHYSIK, 1934, 87 (9-10): : 580 - 602
- [4] RUSKA E, 1931, Z TECHN PHYS, V12, P396