检索条件: U. S. National Aeronautics and Space Administration ( 任意词 )
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International Conference on Environmental Degradation of Engineering Materials (2nd : 1981 : Blacksburg, Va.):environmental degradation of engineering materials in aggressive environments
U. S. National Aeronautics and Space Administration,International Conference on Environmental Degradation of Engineering Materials.Virginai Polytechnic Institute,1981.
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Annual meeting of the American Association for the Advancement of Science (128th : 1961 : Denver, Colo.):Advances in the astronautical sciences.V.10,Symposium on Manned Lunar Flight : Manned Lunar flight
American Astronautical Society,National Aeronautics and Space Administration and American Physiological Society,Annual meeting of the American Association for the Advancement of Sience.[s. n.],1963.
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