The evolution of the quasar continuum
Subtitle: NASA grant NAGW-2201, semiannal report nos. 1, 2, and 3 for the period 1 July 1990 through 31 December 1991
By: principal investigator, M. Elvis.
Contributors: Smithsonian Astrophysical Observatory.; United States. National Aeronautics and Space Administration.
Series: [NASA contractor report] -- NASA CR-191673.
Publisher: Smithsonian Institution, Astrophysical Observatory; National Aeronautics and Space Administration
Published: 1992
Place of publication: Cambridge, Mass; [Washington, DC
Language: eng
Format: Microform
Subjects: Continuums.; Data bases.; IUE.; Quasars.; ROSAT mission.; Spectrographs.; Spectrometers.; X ray astronomy.
Notes: Shipping list no.: 93-0450-M.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1993] 1 microfiche.