Suyu, S. H. Physical Cosmology, MPI for Astrophysics, Max Planck Society;
Sluse, D., Rusu, C. E., Fassnacht, C. D., Sonnenfeld, A., Richard, J., Auger, M. W., et al. (2019). H0LiCOW – X. Spectroscopic/imaging survey and galaxy-group identification around the strong gravitational lens system WFI 2033−4723. Monthly Notices of the Royal Astronomical Society, 490(1), 613-633. doi:10.1093/mnras/stz2483.