共 12 条
- [11] Accurate calculation of properties of the two- tube electrostatic lens- 2 Review of Scientific Instruments, 1972, 43 (01): : 80 - 83
- [12] SYMMETRICAL 3-TUBE UNIPOTENTIAL LENS .2. 1ST-ORDER FOCAL PROPERTIES JOURNAL OF PHYSICS E-SCIENTIFIC INSTRUMENTS, 1976, 9 (10): : 839 - 841