1. Industrial Plasma Engineering
2. Industrial Plasma Engineering
3. J. R. Roth, M. Laroussi, and C. Liu, Proceedings of the 19th IEEE International Conference on Plasma Science, Tampa, FL, 1–3 June 1992 (IEEE Piscataway, NJ, 1992), p. 170, Paper 5p21.
4. C. Liu and J. R. Roth, Proceedings of the 21st IEEE International Conference on Plasma Science, Santa Fe, NM, 6–8 June 1994 (IEEE Piscataway, NJ, 1994), p. 97, Paper 1p-26.