Tài liệu tham khảo WikiPedia: NGC_3783 http://chandra.si.edu/press/00_releases/press_0525... //arxiv.org/abs/0903.5451 //arxiv.org/abs/1010.5129 //arxiv.org/abs/1104.1172 //arxiv.org/abs/1204.6122 //arxiv.org/abs/astro-ph/0202382 //arxiv.org/abs/astro-ph/0606463 //arxiv.org/abs/astro-ph/9906492 //doi.org/10.1051%2F0004-6361%2F201219213 //doi.org/10.1086%2F191730
