RobackR.‘Theoretical performance of rocket engines using gaseous hydrogen’, NASA CR-696, 1967 (February) (National Aeronautics and Space Administration, Washington, D.C.).
2.
CorlissW. R.‘Nuclear propulsion for space’, 1967 (May), (U.S. Atomic Energy Commission, Division of Technical Information, Oak Ridge, Tennessee).
3.
FingerH. B.‘United States progress on nuclear propulsion for rockets’, Seventeenth International Astronautical Congress, 1966 (October).
4.
MickelsenW. R.KaufmanH. R.‘Status of electrostatic thrusters for space propulsion’, NASA TN D-2172, 1964 (May) (National Aeronautics and Space Administration, Washington, D.C.).
5.
SchoeckP. A.‘Physical phenomena and technical problems of arc-jet engines’, J. Brit. Interplanetary Soc.196419 (Pt 8, April), 337.
6.
KantrowitzA.‘Horizons in plasma dynamics’, Astronautics and Aeronautics19653 (No. 1, January), 52.