1. A Characteristic of the Copper Arc During the Formative Period
2. COBINE , J. D. 1958 ,Gaseous Conductors—Theory and Engineering Applications( New York: Dover ), p. 209 .
3. ENGEL , A. V. , and STEENBECK , M. 1934 ,Elektrische Gasentladungen, lhre Physik und TechnikVol. 2 ( Berlin: Springer-Verlag ), p. 135 , in German .
4. The Transition from Glow Discharge to Arc
5. The high-pressure glow discharge in air