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3. Martinez, A. |1965a|, "Interim Report. Aerodynamic Nozzle Study, Volume2, "RockwellInternational Corporation, Rocketdyne Division, Report R-6273, NASA Contract NAS8-2654, NASA Report CR68910.
4. Salmi R. J. and Cortright E. M. [1956], "Effects of External Stream Flow and Afterbody Variations on the Performance of a Plug Nozzle at High Subsonic Speeds," NACA RM56F11a.