Lim, Jeremy; Ao, Yi Ping; Dinh‐v‐Trung, Dinh-V-Trung. Radially Inflowing Molecular Gas in NGC 1275 Deposited by an X-Ray Cooling Flow in the Perseus Cluster. The Astrophysical Journal. 2008, 672: 252–265. Bibcode:2008ApJ...672..252L. arXiv:0712.2979. doi:10.1086/523664.
Lim, Jeremy; Ao, Yi Ping; Dinh‐v‐Trung, Dinh-V-Trung. Radially Inflowing Molecular Gas in NGC 1275 Deposited by an X-Ray Cooling Flow in the Perseus Cluster. The Astrophysical Journal. 2008, 672: 252–265. Bibcode:2008ApJ...672..252L. arXiv:0712.2979. doi:10.1086/523664.
Lim, Jeremy; Ao, Yi Ping; Dinh‐v‐Trung, Dinh-V-Trung. Radially Inflowing Molecular Gas in NGC 1275 Deposited by an X-Ray Cooling Flow in the Perseus Cluster. The Astrophysical Journal. 2008, 672: 252–265. Bibcode:2008ApJ...672..252L. arXiv:0712.2979. doi:10.1086/523664.