Excitation mechanisms in newly discovered H2-bearing damped Lyman-α clouds: systems with low molecular fractionsP. Noterdaeme, C. Ledoux, P. Petitjean, F. Le Petit, R. Srianand and A. SmetteA&A, 474 2 (2007) 393-407DOI: https://doi.org/10.1051/0004-6361:20078021
