Tanga, M., Schady, P., Gatto, A., Greiner, J., Krause, M. G. H., Diehl, R., Savaglio, S., & Walch, S. (2016). Soft X-ray absorption excess in gamma-ray burst afterglow spectra: Absorption by turbulent ISM. Astronomy & Astrophysics, 595:, pp. 1-10. doi:10.1051/0004-6361/201527961.