Journal Papers July 1, 1995September 16, 2016 “Discovery of Five Quasars at z>4 Using the Second Palomar Sky Survey” J.D. Kennefick, R.R. de Carvalho, S.G. Djorgovski, M.M. Wilber, E.S. Dickson, N. Weir, U. Fayyad, and J. Roden. The Astronomical Journal Vol. 110, No. 1, pp. 78-86, July (1995). Posted By: Usama 0 Comment