Li, N., Gladders, M. D., Heitmann, K., Rangel, E. M., Child, H. L., Florian, M. K., …Finkel, H. J. (2019). The importance of secondary halos for strong lensing in massive galaxy clusters across redshift. Astrophysical Journal, 878(2), Article 122. https://doi.org/10.3847/1538-4357/ab1f74