Wilman, D. J., Pierini, D., Tyler, K., McGee, S. L., Oemler, A., Morris, S. L., et al. (2008). Unveiling the important role of groups in the evolution of massive galaxies: insights from an infrared passive sequence at intermediate redshift. The Astrophysical Journal, 680(2), 1009-1021. doi:10.1086/587478.