Research Catalog

  • Large area soft X-ray collimator to facilitate X-ray optics testing [microform] : semiannual progress report (March 1 through September 1, 1994) / prepared by Samuel L. Espy.

    • Text
    • [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

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