http://sciencedaily.i2p/releases/2019/11/191108155440.htm
Yang, I. Bartos, V. Gayathri, K. E. S. Ford, Z. Haiman, S. Klimenko, B. Kocsis, S. Márka, Z. Márka, B. McKernan, R. O’Shaughnessy. Hierarchical Black Hole Mergers in Active Galactic Nuclei . Physical Review Letters , 2019; 123 (18) DOI: 10.1103/PhysRevLett.123.181101 Cite This Page : MLA APA Chicago Rochester Institute of Technology.