[1]
F. F. Chen and F. F. Chen, Introduction to plasma physics and controlled fusion: Vol.1: Plasma physics, 2nd ed. New York: Plenum Press, 1984.
[2]
D. A. Gurnett and A. Bhattacharjee, ‘Extract pp.94-126, 195-203’, in Introduction to plasma physics: with space and laboratory applications, Cambridge, UK: Cambridge University Press, 2005.