Maraston, C. Optical and Interpretative Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;
Maraston, C., Greggio, L., Renzini, A., Ortolani, S., Saglia, R. P., Puzia, T. H., et al. (2003). Integrated spectroscopy of bulge globular clusters and fields. II. Implications for population synthesis models and elliptical galaxies. Astronomy & Astrophysics, 400(3): DOI: 10.1051/0004-6361:20021723, pp. 823-840.