1. For a review of this subject and a bibliography of the main contributions see S. Fubini, Lectures given at Cargèse, edited by M. Lévy, Gordon & Breach, New York, London, Paris.
2. Dispersive sum rules from current algebra
3. Lectures given at the Rutheford Laboratory;Renner,1966
4. Sum rules for strong interactions
5. Proceedings of the 1966 Coral Gables Conference on Symmetry Principles;Dashen,1966