1. ANON.: Annual Report on Propellants for Electrical Propulsion Engines of the Contact or Bombardment Ion Type, Rocketdyne, ASD Tech. Rept. 61–150, March 15, 1961.
2. NORGREN, G. C.: Lewis Flight Research Center, Cleveland, personal communication.
3. DOBBINS, T. O.: Thermodynamics of Rocket Propulsion and Theoretical Evaluation of some Prototype Propellant Combinations, WADC TR–59–757, Wright Air Development Center, Dayton, December 1959.
4. Recent Advances in Condensation and Evaporation
5. JANAF Interim Thermo chemical Tables, The Dow Chemical Company, Midland, Michigan, September 30, 1961.