1. M.L. Goldberger, K.M. Watson, Collision Theory (Wiley, New York, 1964)
2. D.E. Gonzales Trotter et al., Phys. Rev. C 73, 034001 (2006)
3. V. Huhn et al., Phys. Rev. C 63, 014003 (2000)
4. C. Joachain, Quantum Collision Theory, 3rd edn. (North-Holland, Amsterdam, 1983)
5. N. Levinson, Kgl. Danske Videnskab. Selskab. Mat.-fys. Medd. 254(9) (1949)