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Collier Trophy Research Project Winners. Washington, D.C.: NASA. ISBN 978-1-4102-2531-3. Archived from the original on 2014-08-23. Retrieved 2014-08-25. Harold...9 KB (1,157 words) - 18:01, 31 May 2024
Collier Trophy Research Project Winners. Washington, D.C.: NASA. ISBN 978-1-4102-2531-3. Archived from the original on 23 August 2014. Retrieved 25 August...76 KB (6,127 words) - 09:23, 24 July 2024
