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2. E.M. Emme, Aeronautics and astronautics: an American chronology of science and technology in the exploration of space 1915–1960, NASA, 1961.
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4. IGY Woomera build–up, Aircraft, March 1957, p. 46.
5. K.H. Lloyd, Upper Atmosphere Research, DSTO Bicentennial History Series, Australian Government Publishing Service, Canberra, 1988, p. 2.