Triple and quadruple black holes in the ASTRID simulation at z 2DOI: info:10.1093/mnras/stad1929v. 524OUP1987–1996
Hoffman, Calvin, Chen, Nianyi, Di Matteo, Tiziana, Ni, Yueying, Bird, Simeon, Croft, Rupert, and Loeb, Abraham. 2023. "Triple and quadruple black holes in the ASTRID simulation at z 2." Monthly Notices of the Royal Astronomical Society, 524 1987–1996. https://doi.org/10.1093/mnras/stad1929.