1. P. Peuser, H. Gabelmann, M. Lerch, B. Sohnius, N. Trautmann, M. Weber, G. Herrmann, H.O. Denschlag, W. Ruster, J. Bonn: Proc. Int. Symp. on Methods of Low-Level Counting and Spectrometry IAEA, Vienna (1981) p. 257
2. H.-J. Kluge: Hyperfine Interactions 1985 (in press)
3. V.S. Lethokov, R.V. Ambartzymian. Jetp. Lett.13, 217 (1971)
4. G.S. Hurst, M.G. Payne, S.D. Kramer, J.P. Young: Rev. Mod. Phys.51, 767 (1979)
5. S. Gerstenkorn, P. Luc: Atlas du Spectre d'Absorption de la Molecule d'Iode Laboratoire Aime' Cotton