Physical conditions in high-redshift GRB-DLA absorbers observed with VLT/UVES: implications for molecular hydrogen searchesC. Ledoux, P. M. Vreeswijk, A. Smette, A. J. Fox, P. Petitjean, S. L. Ellison, J. P. U. Fynbo and S. SavaglioA&A, 506 2 (2009) 661-675DOI: https://doi.org/10.1051/0004-6361/200811572