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  • Total solar eclipse of 2001 June 21 [microform] / Fred Espenak, Jay Anderson.

    • Text
    • Greenbelt, Md. : National Aeronautics and Space Administration, Goddard Space Flight Center ; [Springfield, Va. : National Technical Information Service, distributor, 1999]
    • 1999

  • Fifty year canon of solar eclipses, 1986-2035 [microform] / Fred Espenak.

    • Text
    • [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1986]
    • 1986

  • Method for the calculation of spacecraft umbra and penumbra shadow terminator points [microform] / Carlos R. Ortiz Longo and Steven L. Rickman.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Linthicum Heights, MD : NASA Cetner for AeroSpace Information, distributor, 1995]
    • 1995

  • Total solar eclipse of 1999 August 11 [microform] / Fred Espenak and Jay Anderson.

    • Text
    • Greenbelt, Md. : National Aeronautics and Space Administration, Goddard Space Flight Center ; [Springfield, Va. : National Technical Information Services, distributor], 1997.
    • 1997

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