1. A Bibliography and Author Index for Electrical Discharges in Vacuum;Miller,1988
2. Electrical breakdown in vacuum;Farrall;IEEE Trans. Electr. Insul.,1985
3. The large gap case for HV insulation in vacuum;Spolaore;IEEE Trans. Dielectr. Electr. Insul.,1997
4. Electron emission in Intense electric fields;Fowler;Proc. Roy. Soc.,1928
5. The initiation of electrical breakdown in vacuum;Cranberg;J. Appl. Phys.,1952