1. Spectral variability of a sample of extreme variability quasars and implications for the Mg ii broad-line region. Issue 4 (13th March 2020) Authors: Yang, Qian; Shen, Yue; Chen, Yu-Ching; Liu, Xin; Annis, James; Avila, Santiago; Bertin, Emmanuel; Brooks, David; Buckley-Geer, Elizabeth; Carnero Rosell, Aurelio; Carrasco Kind, Matias; Carretero, Jorge; da Costa, Luiz; Desai, Shantanu; Thomas Diehl, H; Doel, Peter; Frieman, J... Journal: Monthly notices of the Royal Astronomical Society Issue: Volume 493:Issue 4(2020) Page Start: 5773 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗