... Proceedings of the International Conference SPT 2001 Symmetry and Perturbation Theory Proceedings of the International Conference SPT 2001 Symmetry and Perturbation Theory Cala Gonone, ... We also give, together with the conference program and the list of participants, the list of papers appeared in the proceedings of previous SPT conferences In the course of the conference we had ... Roma and Cagliari, July 2001 References D Bambusi and G Gaeta eds., "Symmetry and Perturbation Theory" , Quaderni GNPM-CNR, Firenze 1997 A Degasperis and G Gaeta eds., "Symmetry and Perturbation Theory...