1. A.B. Rothwell, D.V. Dorling, and A.G. Glover, “Welding Metallurgy And Process Development Research for The Gas Pipeline Industry,” Advanced Joining Technologies, proceedings of the International Institute of Welding Congress-Joining Research July 1990, T.H. North, ed., Chapman and Hall, London, pp. 175–192 (1990).
2. C.M. Banas, “High Power Laser Welding,” The Industrial Laser Annual Handbook, M. Levitt and D. Belforte, eds., PennWell Press, Tulsa OK (1985).
3. K.H. Nam, H.J.J. Seguin, and J. Tulip, “Operational Characteristics of a PIE CO2 Laser,” IEEE Journal of Quantum Electronics QE-15, 1, pp. 44–50 (Jan. 1979).
4. S.K. Nikumb, H.J.J. Seguin, V.A. Seguin, and H. Reshef, “Gain and Saturation Parameters of a Multikillowatt PIE CO2 Laser,” J. Phys.E: Sci. Instrum 20, pp. 911–916 (1987).
5. V.E. Merchant, H.J.J. Seguin, and J. Dow, “A High-power, High-Repetition Rate Puiser for Photo-Impulse Ionized Lasers,” Review of Scientific Instruments 49, p. 1631 (1978).