Costa, Tiago Physical Cosmology, MPI for Astrophysics, Max Planck Society;
Costa, T., Rosdahl, J., & Kimm, T. (2019). The hidden satellites of massive galaxies and quasars at high redshift. Monthly Notices of the Royal Astronomical Society, 489(4), 5181-5186. doi:10.1093/mnras/stz2471.