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

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

A&A, 505 3 (2009) 1087-1098

Published online: 18 August 2009

DOI: 10.1051/0004-6361/200912768

P. Noterdaeme

P. Petitjean

C. Ledoux

R. Srianand

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