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  1. 1
    24th Annual Precise Time and Time Interval (PTTI) Applications and Planning Meeting : proceedings of a meeting sponsored by the U.S. Naval Observatory ... [et al.] and held at the Ritz-Carlton Hotel, McLean, Virginia, December 1-3, 1992

    24th Annual Precise Time and Time Interval (PTTI) Applications and Planning Meeting : proceedings of a meeting sponsored by the U.S. Naval Observatory ... [et al.] and held at the...

    Greenbelt, Md. : National Aeronautics and Space Administration, Goddard Space Flight Center, 1993
    Format: Government Document Conference Proceeding Book


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  2. 2
    Annual Precise Time and Time Interval (PTTI) Applications and Planning Meeting

    Annual Precise Time and Time Interval (PTTI) Applications and Planning Meeting

    Washington, DC : Linthicum Heights, MD : [Springfield, Va.] : National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division ; Available from the NASA Center for Aerospace Information ; [National Technical Information Service, distributor], 1991
    Format: Government Document Conference Proceeding


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  3. 3
    23rd Annual Precise Time and Time Interval (PTTI) Applications and Planning Meeting : proceedings of a meeting sponsored by the U.S. Naval Observatory ... [et al.] and held at the Ritz-Carlton Huntington Hotel, Pasadena, California, December 3-5, 1991

    23rd Annual Precise Time and Time Interval (PTTI) Applications and Planning Meeting : proceedings of a meeting sponsored by the U.S. Naval Observatory ... [et al.] and held at the...

    [Washington, D.C.] : National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1992
    Format: Government Document Conference Proceeding Book


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