Bounds on the presence of quantum chaos in nuclear masses⋆ J. G. Hirsch, A. Frank, J. Barea, P. Van Isacker and V. Velázquez Eur. Phys. J. A, 25 3 (2005) 75-78 Published online: 20 April 2005 DOI: 10.1140/epjad/i2005-06-050-0