Avalanches and Self-Organized Criticality in superconductors R. J. Wijngaarden, M. S. Welling, C. M. Aegerter and M. Menghini Eur. Phys. J. B, 50 1-2 (2006) 117-122 Published online: 20 February 2006 DOI: 10.1140/epjb/e2006-00063-7