1. K. M. Eldred, ?Base pressure fluctuations,? J. Acoust. Soc. Am.,33, No. 1 (1961).
2. Yu. A. Panov, A. I. Shvets, and A. M. Khazen, ?Investigation of base pressure fluctuations behind a cone in a supersonic flow,? Izv. Akad. Nauk SSSR, Mekh. Zhidk. Gaza, No. 6 (1966).
3. A. I. Shvets, Yu. A. Panov, A. M. Khazen, and V. A. Novikova, ?Influence of the Mach number on base pressure fluctuations behind a cone,? Vestn. Mosk. Univ. Mat. Mekh., No. 1 (1968).
4. D. G. Mabey, ?Some measurements of base pressure fluctuations at subsonic and supersonic speeds,? Aeronaut. Res. Counc. Curr. Paper, No. 1204 (1971).
5. H. H. Heller and A. R. Clemente, ?Unsteady aerodynamic loads on slender cones at freestream Mach numbers from O to 22,? AIAA Paper, No. 998 (1973).