1. Space Charge Formation and the Townsend Mechanism of Spark Breakdown in Gases
2. Electrical Breakdown of High-Temperature Gases and Its Implications in Post-Arc Phenomena in Circuit Breakers
3. Physics and Engineering of High Power Switching Devices;Lee,1975
4. Prudhomme, R. and Rowe, B. (1972). Calculation of equilibrium concentrations and chemical times in a nitrogen plasma. Lab. d'Aerothermique du CNRS, Report 72–1, Publication 418.