The Not-so-massive Black Hole in the Microquasar GRS1915+105DOI: info:10.1088/0004-637X/768/2/185v. 768185
Steeghs, D., McClintock, J. E., Parsons, S. G., Reid, M. J., Littlefair, S., and Dhillon, V. S. 2013. "The Not-so-massive Black Hole in the Microquasar GRS1915+105." The Astrophysical Journal, 768 185. https://doi.org/10.1088/0004-637X/768/2/185.