1. Experimental results in high-specific-impulse thermoionic acceleration
2. Experiments using a 25-kw hollow cathode lithium vapor MPD arcjet
3. D.B. Fradkin and D.J. Roehling. Thrust stand performance of a lithium fueled applied field MPD arcjet. In13th Symposium on the Engineering Aspects of Magnetohydrodynamics, numberVI.11.1-5,StanfordUniversity, 1973. March26-28.
4. D.W. Esker, J.C. Kroutil, and R.J. Checkley. Design and performance of radiation-cooled MPD arc thrustors. InAIAA 7thElectric Propulsion Conference, number AIAA 69-245, Williamsburg, VA, USA, 1969. March3-5.