Evolution of the cosmological mass density of neutral gas  from Sloan Digital Sky Survey II – Data Release 7

By P. Noterdaeme, P. Petitjean, C. Ledoux and R. Srianand

Publisher: EDP Sciences

Year: 2009

DOI identifier: 10.1051/0004-6361/200912768

OAI identifier:

Provided by: MUCC (Crossref)

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