Marino, A. F. Stellar Astrophysics, MPI for Astrophysics, Max Planck Society;
Milone, A. P., Piotto, G., Bedin, L. R., Marino, A. F., Momany, Y., & Villanova, S. (2012). Multiple stellar populations in the globular clusters NGC1851 and NGC6656 (M22). Memorie della Società Astronomica Italiana Supplementi, 19, 173-178.