1. The Formula of Uranyl Ion
2. M. Anbar, Weizmann Institute, private communication (1960).
3. J. J. Katz and S. Sujishi, Argonne National Laboratory, private communication (1960).
4. I. Sheft and H. Hyman, Argonne National Laboratory, private communication (1960).
5. Isotopic analysis of oxygen in inorganic compounds