Jones, L. M. Upper-air densities and temperatures from eight IGY rocket flights by the falling-sphere method L. M. Jones - Washington, D. C. National Academy of Science 1959 - xii+101p. illus - International Geophysical Year Rocket Report Series; No. 5 . Subjects--Topical Terms: Rocket Series Universal Decimal Class. No.: 551.51:529.19 / NAS