1. Effective collision frequency of electrons in helium and neon;Baluja;Indian J. Radio Space Phys.,1977
2. Effective collision frequency of electrons in atomic nitrogen and oxygen;Baluja;Indian J. Radio Space Phys.,1977
3. Introduction to the study of aeronomic collisions;Banks,1965
4. Collision frequencies and energy transfer: electron;Banks;Planet. Space Sci.,1966
5. Charged particle temperatures and electron thermal conductivity in the upper atmosphere;Banks;Ann. Geophys.,1966