Order statistics and heavy-tailed distributions for planetary perturbations on Oort cloud comets R. S. Stoica, S. Liu, Yu. Davydov, M. Fouchard, A. Vienne and G. B. Valsecchi A&A, 513 (2010) A14 Published online: 15 April 2010 DOI: 10.1051/0004-6361/200912871