Tarnovsky, V., Becker, K.: Z. Phys. D-Atoms, Molecules and Clusters22, 603 (1992)
Ma, C., Sporleder, C.R., Bonham, R.A.: Rev. Sci. Instrum.62, 909 (1990)
Crowe, A., Preston, J.A., McConkey, J.W.: J. Chem. Phys.57, 1620 (1972)
Stephan, K., Helm, H., Mark, T.D.: J. Chem. Phys.73, 3763 (1980)
Wetzel, R.C., Baiocchi, F.A., Hayes, T.R., Freund, R.S.: Phys. Rev. A35, 559 (1987)
Krishnakumar, E., Srivastava, S.K.: J. Phys. B: At. Mol. Phys.21, 1055 (1988)
Vikor, D., Minić, M., Cadez, I., Kurepa, M.: Fizica21, 345 (1989)
Okudaira, S., Kaneko, Y., Kanomata, I.: J. Phys. Soc. Jap.28, 1536 (1970)
Nagy, P., Skutlartz, A., Schmidt, V.: J. Phys. B: At. Mol. Phys.13, 1249 (1980)
Phelps, A.V.: J. Chem. Phys. Ref. Data20, 557 (1991)
Islam, M., Hasted, J.B., Gilbody, H.B., Ireland, J.V.: Proc. Phys. Soc.79, 1118 (1962)
Ma, C., Bruce, M.R., Bonham, R.A.: Phys. Rev. A (1992) (in press)
Ma, C., Bruce, M.R., Bonham, R.A.: Phys. Rev. A44, 2921 (1991)
Syage, J.A.: J. Phys. B: At. Mol. Phys. (1991)
Golomb, D., Good, R.E., Bailey, A.B., Busby, M.R., Dawbarn, R.: J. Chem. Phys.57, 3844 (1972)
Buck, U., Meyer, A.: J. Chem. Phys.84, 4854 (1986)
