1. Barjatya, A., 2007, Langmuir probe measurements in the ionosphere, Ph.D. dissertation, Utah State University Institutional Repository: GraduateTheses and Dissertations 2007-05-01 Utah State University – Merrill - Cazier Library. Paper 274 http://digitalcommons.usu.edu/etd/274.
2. Langmuir probe measurements in the ionosphere;Boggess;J. Geophys. Res.,1959
3. The cylindrical electrostatic probes for Atmosphere Explorer -C, -D, and -E;Brace;Radio Sci.,1973
4. Langmuir probe measurements in the ionosphere;Brace,1998
5. Boyd, R.L.F., 1968. Langmuir probes on spacecraft. In: Lochte-Holtgreven, W. (Ed.). Plasma Diagnostics, p. 732, North-Holland, Amster-dam.