Coronagraph observations and analyses of the ultraviolet solar corona [electronic resource] : semiannual status report nos. 10, 11, 12, 13 for the period 1 April 1987 through 31 March 1989 / principal investigator John L. Kohl.
Imprint
Cambridge, Mass. : Smithsonian Institution Astrophysical Observatory ; Wallops Island, VA : National Aeronautics and Space Administration, Goddard Space Flight Center, [1989]
