1. Abramowitz, M., , I. A., Stegun, , Handbook of Mathematical Functions, Dover, New York, 1964,
2. A model for collision processes in gases;Bhatnagar;Phys. Rev.,1954
3. Chapman, S., , T. G., Cowling, , The Mathematical Theory of Non-Uniform Gases, Cambridge University Press, New York, 1970,
4. De Groot, S., , P., Mazur, , Non-Equilibrium Thermodynamics, North-Holland, Amsterdam, 1962,
5. The Maxwell model in kinetic theory of weakly ionized gases in electrostatic field: Ion velocity distributions and moments;Ferrari;Physica,1978