1. H. S. W. Massey, “Electronic and Ionic Impact Phenomena, Vol. 3, Slow Collisions of Heavy Particles”, Clarendon Press, Oxford (1971).
2. N. F. Ramsey, “Molecular Beams”, Clarendon Press, Oxford (1956).
3. P. R. Brooks and E. F. Hayes, Eds. “State-to-State Chemistry”, ACS Symposium Se.n. 56, Am. Chem. Soc., Washington, DC (1977).
4. e.g. see: F. A. Gianturco “The Transfer of Molecular Energies by Collision”, Springer Verlag, Berlin (1979).
5. M. Born and J. R. Oppenheimer, Ann. Phys., 84: 457 (1927).