A homogeneous set of globular cluster relative distances and reddeningsA. Recio-Blanco, G. Piotto, F. De Angeli, S. Cassisi, M. Riello, M. Salaris, A. Pietrinferni, M. Zoccali and A. AparicioA&A, 432 3 (2005) 851-859DOI: https://doi.org/10.1051/0004-6361:20041053
