A DESCRIPTION OF QUASAR VARIABILITY MEASURED USING REPEATED SDSS AND POSS IMAGINGChelsea L. MacLeod, Donald P. Schneider, Scott F. Anderson et al.|The Astrophysical Journal|2012Cited by 309
A photometric redshift of z = 6.39 ± 0.12 for GRB 050904J. Haislip, P. T. O’Brien, James E. Rhoads et al.|Nature|2006Cited by 123