Heydon D.A. Ariane 4 performance and promise : доклад, тезисы доклада / D. A. Heydon, E. H. Weinrich, 1990. - 5 p. - Текст : непосредственный.
[Reports] / Amer.inst.of aeronautics and astronautics. N 89-2742 : Flight performance of the ARIANE 4 : Rep. presented at the AIAA/ASME/SAE/ASEE 25th joint propulsion conf.,Monterey(Ca),July 10-12,1989 / D.A.Heydon, 1989. - 8 p. - Текст : непосредственный.
[Reports] / Amer.inst.of aeronautics and astronautics. N 90-0890 : Ariane program plans and outlook for commercial launch services : Rep. presented at the 13th AIAA Intern. communication satellite systems conf. & exhibit, Mar. 11-15, 1990, Los Angeles(Ca) / D. A.Heydon, 1990. - 8 p. - Текст : непосредственный.