Cosmic metal production and the contribution of QSO absorption systems to the ionizing background
By: Piero Madau and J. Michael Shull.
Contributors: Shull, J. Michael.; United States. National Aeronautics and Space Administration.
Series: [NASA contractor report] -- NASA-CR-203139.; NASA contractor report -- NASA CR-203139.
Publisher: National Aeronautics and Space Administration; National Technical Information Service, distributor
Published: 1997
Place of publication: [Washington, DC; Springfield, Va
Language: eng
Format: Microform
Subjects: Background radiation.; Intergalactic media.; Ionizing radiation.; Massive stars.; Star formation.; Starburst galaxies.; Ultraviolet radiation.; Metals.; Quasars.
Notes: Shipping list no.: 98-1104-M.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1998] 1 microfiche.