1. On the influence of horizontal motion of the neutral air on the diffusion equation of the F-region
2. Flow Equations for Composite Gases;Burgers,1969
3. Foundations of Plasma Dynamics;Holt,1965
4. J. M. Smith, An Exact Calculation of Momentum and Energy Exchange Collision Integrals over Displaced Maxwellian Distribution Functions. General Electric Co., Missile and Space Div., R64SD54, August (196) [Available as ASTIA Document AD607333].
5. Some remarks on ambipolar diffusion in the ionosphere