Schweyer, T. High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;
Zafar, T., Heintz, K. E., Fynbo, J. P. U., Malesani, D., Bolmer, J., Ledoux, C., et al. (2018). The 2175 Å extinction feature in the optical afterglow spectrum of GRB 180325A at z = 2.25. The Astrophysical Journal Letters, 860(2): L21. doi:10.3847/2041-8213/aaca3f.