Optical Observations of X-ray Bright, Optically Normal GalaxiesAlberto C Sadun, N S Aryan,Kaushik Ghoshmag(2007)引用 23|浏览2暂无评分关键词active galactic nuclei,accretion diskAI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要