1. Field emission;Dyke,1956
2. Field emission electron gun for electron microscope;Tonomura,1970
3. The point cathode as an electron source;Drechsler,1958
4. Optimum design of accelerating electrodes for a field emission electron gun;Tonomura;Jpn. J. Appl. Phys.,1973
5. Applications of electron holography using a field emission electron microscope;Tonomura;J. Electron Microsc. (Tokyo),1984