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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

  • Astrometric observations of comets and asteroids and subsequent orbital investigations [microform] : semiannual progress report no. 26 for the period 1 May through 31 October 1986 / principal investigators, Richard E. McCrosky, Brian G. Marsden.

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

  • Solar seismology from space [microform] : a conference at Snowmass, Colorado / R.K. Ulrich, chairman ... [et al.].

    • Text
    • Pasadena, Calif. : National Aeronautics and Space Administration, Jet Propulsion Laboratory, California Institute of Technology ; [Springfield, Va. : National Technical Information Service, distributor, 1984]
    • 1984

  • Activity and magnetic fields on stars from radio observations [microform] / George A. Dulk.

    • Text
    • [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1983]
    • 1983

  • "Observational search for cometary aging processes" [microform] : final technical report : grant no. NAGW-1897 : November 1, 1989 to April 30, 1997 / submitted by Karen J. Meech, principal investigator.

    • Text
    • [Honolulu, Hawaii] : University of Hawaii ; [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
    • 1997

  • Infrared imaging, spectroscopic, & photometric studies of comets [microform] : final report, NASA/NAGW-2324 / Robert D. Gehrz, principal investigator.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
    • 1997

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