Repeated segregation and energy dissipation in an axially segregated granular bedM. M. H. D. Arntz, W. K. den Otter, H. H. Beeftink, R. M. Boom and W. J. BrielsEPL, 92 5 (2010) 54004DOI: https://doi.org/10.1209/0295-5075/92/54004