[A long-term space astrophysics research program]
Subtitle: the evolution of the quasar continuum, semiannual report no. 6, 1 Jan. - 30 Jun. 1993]
Contributors: Smithsonian Astrophysical Observatory.; United States. National Aeronautics and Space Administration.
Series: NASA contractor report -- NASA CR-193714.
Publisher: Smithsonian Astrophysical Observatory; National Aeronautics and Space Administration; National Technical Information Service, distributor
Published: 1993
Place of publication: [Cambridge, Mass; Washington, D.C; Springfield, Va
Language: eng
Format: Microform
Subjects: Quasars.
Other titles: Long term space astrophysics research program.; Evolution of the quasar continuum.
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 93-1360-M.

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