Research Catalog

  • Low toxicity high temperature PMR polyimides [microform] / inventors, Ruth H. Pater.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1991]
    • 1991
  • Microstructural characterization of semi-interpenetrating polymer networks by positron lifetime spectroscopy [microform] / Jag J. Singh, Abe Eftekhari.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1996]
    • 1996
  • Microstructural characterization of semi-interpenetrating polymer networks by positron lifetime spectroscopy [microform] / Jag J. Singh, Ruth H. Peter, Abe Eftekhari.

    • Text
    • [Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; Springfield, Va. : National Technical Information Service, distributor, 1997]
    • 1997-1997

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