Biblio

G. Younes, Ptak, A., Ho, L. C., Xie, F. - G., Terasima, Y., Yuan, F., Huppenkothen, D., and Yukita, M., “NuStar Hard X-Ray View of Low-luminosity Active Galactic Nuclei: High-energy Cutoff and Truncated Thin Disk”, \apj, vol. 870, p. 73, 2019.