1. Campbell, F.M., Browning, R., Latimer, C.J.: J. Phys. B13, 4257 (1980)
2. Koyano, I., Tanaka, K.: J. Chem. Phys.72, 4858 (1980)
3. Govers, T.R., Guyon, P.M., Baer, T.: 2nd European Conference on Atomic and Molecular Physics, Amsterdam 1985, Book of Abstract. Vries, A.E. de, Wiel, M.J. van der (eds.), p. XLIV; (to be published)
4. Cole, S.K., Baer, T., Guyon, P.M., Govers, T.R.: Chem. Phys. Lett.109, 285 (1984)
5. Govers, T.R., Guyon, P.M., Baer, T., Cole, K., Frohlich, H., Lavollée, M.: Chem. Phys.87, 373 (1983)