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