1. Jacobson, L. and Overstreet, R. Article No. 276,Radiochemical Studies, The Fission Products, 1951, p. 1620.
2. Garrison, W. and Hamilton, J.Chem. Rev., 1951,49, 239.
3. Glendenin, L. Article No. 275,Radiochemical Studies, The Fission Products, 1951, p. 1617.
4. Ghosh Mazumdar, A. S. and Lederer, M.Jour. of Inorg. and Nucl. Chem., 1957,3, 379.
5. — and Haissinsky, M.J. Chim. Phys., 1956,53, 979.