1. R. McCarroll, “Atomic and Molecular Collision Theory” Ed. F.A. Gianturco, Plenum, New York, (1982).
2. General accounts of atomic collision theory are given by B.H. Bransden, “Atomic Collision Theory” 2nd Ed., Benjamin, Reading Mass. (1983)
3. M.R.C. McDowell and J.P. Coleman “Introduction of the theory of ion-atom collisions”, North-Holland, Amsterdam, (1960).
4. B.H. Bransden and R.K. Janev, Adv. Atom. Molec. Phys. 19: 1 (1983).
5. I.M. Cheshire, Proc. Phys. Soc. 84: 89 (1964).