Springel, Volker Cosmology, MPI for Astrophysics, Max Planck Society;
Hopkins, P. F., Hernquist, L., Cox, T. J., Robertson, B., & Springel, V. (2006). Determining the properties and evolution of red galaxies from the quasar luminosity function. The Astrophysical Journal - Supplement Series, 163(1), 50-79. doi:10.1086/499493.