Savaglio, S. High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;
Ledoux, C., Vreeswijk, P. M., Smette, A., Fox, A. J., Petijean, P., Ellison, S. L., et al. (2009). Physical conditions in high-redshift GRB-DLA absorbers observed with VLT/UVES: implications for molecular hydrogen searches. Astronomy & Astrophysics, 506(2), 661-675. doi:10.1051/0004-6361/200811572.