1. B.R. Martin, D. Morgan, G. Shaw, Pion–Pion Interactions in Particle Physics (Academic Press, London, 1976)
2. M.E. Peskin, D.V. Schroeder, An Introduction to Quantum Field Theory, 1995th edn. (Westview, Boulder, CO, 1995)
3. M.E. Rose, Elementary Theory of Angular Momentum (Wiley, New York, 1957). (Also as a reprint ed.: New York, Dover, 1995)
4. J.R. Taylor, Scattering Theory: The Quantum Theory of Nonrelativistic Collisions, Dover Books on Engineering (Dover Publications, Newburyport, MA, 2012)
5. R.J. Eden, P.V. Landshoff, D.I. Olive, J.C. Polkinghorne, The Analytic S-Matrix (Cambridge University Press, Cambridge, 1966)