1. WaskoR. A.CoverT. L. “Experimental Investigation of Base Flowfield at High Altitudes for Configurations of Four and Five Clustered Nozzles,” NASA TM-X-1371, 1967.
2. NormanT.MusialT.WardJ. J. “Base Flow Characteristics of Several Four Clustered Rocket Configurations at Mach Number from 2.0 to 3.5,” NASA TN-D-1093, 1961.
3. MarionE. D.DanielD. J.HerstineG. L.BurgeG. W. “Exhaust Reversal from Cluster Nozzles—A New Flow Model,” American Rocket Soc. Paper 2706-62, 1962.
4. GoethertB. H.BarnesL. T. “Some Studies of the Flow Pattern at the Base of Missiles and Rocket Exhaust Jets,” Arnold Engineering and Development Center Rept. 58-12, rev. 1960.