1. Potential double layers in the ionosphere;Block;Cosmic Electrodyn.,1972
2. Boyd, T. J. M., , J. S., Sanderson, , Plasma Dynamics, 51-53 Barnes and Noble, New York, 1969,
3. Transport processes in plasmas;Braginskii,1965
4. Numerical interpolation differentiation, and integration;Davis,1970
5. Determination of striation scale sizes for plasma clouds in the ionosphere;Francis;J. Geophys. Res.,1975