A Study of the Broad Emission-Line Fluxes and Profiles of 3C 273 Using Observations Made with the Faint Object SpectrographE Margaret Burbidge,E A Beaver,Ross D Cohen,Vesa T Junkkarinen,Ron W Lyons,Edward I Rosenblatt,R J Harms,Melvin Henriksenmag(1991)引用 23|浏览1暂无评分关键词emission lineAI 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