1. K.O. Nielsen, and V. Toft, to be published.
2. E. Bogh, P. Dahl, H.E. Jorgensen, and K.O. Nielsen, Report, University of Aarhus (1966), to be published.
3. S. Logan, and W. Moore, J. Phys. Chem. 67, 1042–48 (1963).
4. See: Proceedings of Symposium in Chemical Effects of Nuclear Transformations, IAEA (Prague) 1960, (Vienna) 1961, and (Vienna) 1965.
5. G. Harbottle, Ann. Rev. Nucl. Sci. 15, 89–124 (1965).