Alexander, D., Calistro Rivera, G., De Breuck, C., Harrison, C. M., Mainieri, V., Lundgren, A., …Smit, R. (2024). The Quasar Feedback Survey: characterizing CO excitation in quasar host galaxies. Monthly Notices of the Royal Astronomical Society, 527(3), 4420–4439. https://doi.org/10.1093/mnras/stad3133