Fragmentation instabilities of a drop as it falls in a miscible fluid S. Residori, P. K. Buah-Bassuah and F. T. Arecchi Eur. Phys. J. Special Topics, 146 (2007) 357-374 Published online: 05 July 2007 DOI: 10.1140/epjst/e2007-00193-8