Evolution of galactic discs: multiple patterns, radial migration, and disc outskirtsI. Minchev, B. Famaey, A. C. Quillen, P. Di Matteo, F. Combes, M. Vlajić, P. Erwin and J. Bland-HawthornA&A, 548 (2012) A126DOI: https://doi.org/10.1051/0004-6361/201219198