Biblio

W.  E. Harris, Morningstar, W., Gnedin, O.  Y., O'Halloran, H., Blakeslee, J.  P., Whitmore, B.  C., Côté, P., Geisler, D., Peng, E.  W., Bailin, J., Rothberg, B., Cockcroft, R., and R. DeGraaff, B., “Globular Cluster Systems in Brightest Cluster Galaxies: A Near-universal Luminosity Function?”, \apj, vol. 797, p. 128, 2014.