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West Virginia and Appalachia
Howard G. Adkins, Steve Ewing, Chester E. Zimolzak · Kendall/Hunt Publishing Company
199 sayfa · 1977
Economic policy / Economic conditions / West virginia / Appalachian region
Recovery system design guide
E. G Ewing · [Dept. of Defense], Dept. of the Air Force, Systems Command, Air Force Wright Aeronautical Laboratories, Air Force Flight Dynamics Laboratory
458 sayfa · 1979
Parachutes
A comparison of the achievements of
E. G. Ewing, Roy A. Squires · Crescent Engineering & Research Co.
44 sayfa · 1991
Astronautics / Biography