Greene, J. E., Ma, C.-P., Goulding, A., McConnell, N. J., Blakeslee, J. P., Davis, T., & Thomas, J. (2016).
Metallicity Gradients in the Halos of Elliptical Galaxies. In A., Bragaglia, M., Arnaboldi, M., Rejkuba, & D., Romano
(Eds.), The General Assembly of Galaxy Halos: Structure, Origin
and Evolution (IAU Symposium 317) (pp. 182-189). Cambridge, UK: Cambridge University Press.