1. R. L. Beck, DRI 2059, Summary Report, 1962, NSA 17.30969, OTS.
2. M. P. Dariel, M. H. Mintz undZ. Hadari, J. de Physique, Colloque C 540, C5?213 (1979).
3. M. H. Mintz, Z. Hadari undM. P. Dariel, J. Less-Common Met.63, 181 (1979).
4. K. Hiebl, E. Tuscher undH. Bittner, Mh. Chem.110, 9 (1979).
5. K. Hiebl, E. Tuscher undH. Bittner, Mh. Chem.110, 869 (1979).