Differences in galaxy colours are not just about the mass
J.J. Matthee, Nature Astronomy 5 (2021) 984–985.

Exploring HefII;b1640 emission line properties at z c24
T. Nanayakkara, J. Brinchmann, L. Boogaard, R. Bouwens, S. Cantalupo, A. Feltre, W. Kollatschny, R.A. Marino, M. Maseda, J.J. Matthee, M. Paalvast, J. Richard, A. Verhamme, Astronomy &; Astrophysics 648 (2019).

Predicting Ly;1 escape fractions with a simple observable: Ly;1 in emission as an empirically calibrated star formation rate indicator
D. Sobral, J.J. Matthee, Astronomy &; Astrophysics 623 (2019).