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Fig. 2


X-ray (0.310 keV) spectral index distributions for the present sample of RLNLS1s; BL Lac objects and FSRQs are from Ghisellini et al. (2009; 2010) and Tavecchio et al. (2010); BLS1s and RQNLS1s are from Grupe et al. (2010).

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