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    • Plotkin, Richard; Shemmer, Ohad; Trakhtenbrot, Benny; Anderson, Scott; Brandt, W.; Fan, Xiaohui; Gallo, Elena; Lira Teillery, Paulina; Luo, Bin; Richards, Gordon; Schneider, Donald; Strauss, Michael; Wu, Jianfeng (The American Astronomical Society, 2015-06-01)
      Over the past 15 yr, examples of exotic radio-quiet quasars with intrinsically weak or absent broad emission line regions (BELRs) have emerged from large-scale spectroscopic sky surveys. Here, we present spectroscopy ...