The X-Ray Luminosity Function of Ultraluminous X-Ray Sources in Collisional Ring GalaxiesDOI: info:10.3847/1538-4357/aacb34v. 86343
Wolter, Anna, Fruscione, Antonella, and Mapelli, Michela. 2018. "The X-Ray Luminosity Function of Ultraluminous X-Ray Sources in Collisional Ring Galaxies." The Astrophysical Journal, 863 43. https://doi.org/10.3847/1538-4357/aacb34.