Clusters in the inner spiral arms of M 51: The cluster IMF and the formation historyA. Bik, H. J. G. L. M. Lamers, N. Bastian, N. Panagia and M. RomanielloA&A, 397 2 (2003) 473-486DOI: https://doi.org/10.1051/0004-6361:20021384
