1. 2Sacks,A.H.andJ.R.Spreiter,"TheoreticalInvestigationofSubmergedInletsatLowSpeeds,"NACATN-2323,1951.
2. 4Frank, J.L. "Pressure Distribution and Ram Recovery characteristics of NACA submerged inlets at high subsonic speed," NACARM-A50E02,1950.
3. 5Frank, J.L. and R.A. Taylor, "Comparison of Drag, Pressure Recovery, and Surface Pressure of a scoop type inlet and a NACASubmerged Inlet at TransonicSpeeds,"NACA-RM-A51H20a,1951.