1. KM Eldred and al, Acoustic loads generated by the propulsion system, NASA SP-8072, (1971).
2. Morgan WV and Young KJ, Studies of rocket noise simulation with substitute gas jets and the effect of vehicule motion on jet noise, ASDTDR 62-787, Wright-Patterson AFB, Ohio, (1963).
3. Mayes WH, Landford WE and Hubbard HH, Near-field and far-field noise surveys of solid-fuel engines for a range of nozzle exit pressures, NASATND-21, (1959).
4. Cole JN, Von Gierke HE, Kyrasis DT, Eldred KM Humphrey AJ, Noise radiation from fourteen types of rockets in 1, 000 to 130, 000 pounds thrust range, WADC TR 55-354, (1957).
5. GA Wilhold, SH Guest, JH Jones, A technique for predicting far-field acoustic environments due to a moving rocket sound source, NASA Technical Note D-1832, (1963).