Optical Spectral Variations of a Large Sample of Fermi Blazars - Zhang, Bing-Kai; Zhao, Xiao-Yun; Wu, Qi (The Astrophysical journal. Supplement series, 2022)
Keywords: Active galactic nuclei; Behavior; BL Lacertae objects; Blazars; Flat-spectrum radio quasars; Quasars; Spectra