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Rui, Nicholas Z.; Weatherford, Newlin C.; Kremer, Kyle; Chatterjee, Sourav; Fragione, Giacomo; Rasio, Frederic A.; Rodriguez, Carl L.; Ye, Claire S. (2021), "No Black Holes in NGC 6397", Research Notes of the American Astronomical Society, 5 (3): 47, arXiv:2103.06273, Bibcode:2021RNAAS...5...47R, doi:10.3847/2515-5172/abee77, S2CID232185141
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Vitral, Eduardo; Kremer, Kyle; Libralato, Mattia; Mamon, Gary A.; Bellini, Andrea (2022), "Stellar graveyards: clustering of compact objects in globular clusters NGC 3201 and NGC 6397", Monthly Notices of the Royal Astronomical Society, 514 (1): 806, arXiv:2202.01599, Bibcode:2022MNRAS.514..806V, doi:10.1093/mnras/stac1337
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Rui, Nicholas Z.; Weatherford, Newlin C.; Kremer, Kyle; Chatterjee, Sourav; Fragione, Giacomo; Rasio, Frederic A.; Rodriguez, Carl L.; Ye, Claire S. (2021), "No Black Holes in NGC 6397", Research Notes of the American Astronomical Society, 5 (3): 47, arXiv:2103.06273, Bibcode:2021RNAAS...5...47R, doi:10.3847/2515-5172/abee77, S2CID232185141
Kremer, Kyle; Rui, Nicholas Z.; Weatherford, Newlin C.; Chatterjee, Sourav; Fragione, Giacomo; Rasio, Frederic A.; Rodriguez, Carl L.; Ye, Claire S. (2021), "White Dwarf Subsystems in Core-Collapsed Globular Clusters", The Astrophysical Journal, 917 (1): 28, arXiv:2104.11751, Bibcode:2021ApJ...917...28K, doi:10.3847/1538-4357/ac06d4, S2CID233394452
Rui, Nicholas Z.; Weatherford, Newlin C.; Kremer, Kyle; Chatterjee, Sourav; Fragione, Giacomo; Rasio, Frederic A.; Rodriguez, Carl L.; Ye, Claire S. (2021), "No Black Holes in NGC 6397", Research Notes of the American Astronomical Society, 5 (3): 47, arXiv:2103.06273, Bibcode:2021RNAAS...5...47R, doi:10.3847/2515-5172/abee77, S2CID232185141
Kremer, Kyle; Rui, Nicholas Z.; Weatherford, Newlin C.; Chatterjee, Sourav; Fragione, Giacomo; Rasio, Frederic A.; Rodriguez, Carl L.; Ye, Claire S. (2021), "White Dwarf Subsystems in Core-Collapsed Globular Clusters", The Astrophysical Journal, 917 (1): 28, arXiv:2104.11751, Bibcode:2021ApJ...917...28K, doi:10.3847/1538-4357/ac06d4, S2CID233394452