1. S. H. Fong, J. L. Alvarez, Health Phys., 72 (1997) 286.
2. P. N. Johnston, G. A. Williams, P. A. Burns, M. B. Cooper, J. Environ. Radioact., 20 (1993) 117.
3. M. Yamamoto, A. Tsumura, Y. Katayama, T. Tsukatani, Radiochim. Acta, 72 (1996) 209.
4. International Atomic Energy Agency, Radiological Conditions at the Semipalatinsk Test Site, Kazakhstan: Preliminary Assessment and Recommendations for Further Study, STI/PUB/1063, IAEA, Vienna, 1999.
5. W. R. Schell, F. G. Lowman, R. P. Marshall, Geochemistry of Transuranic Elements at the Bikini Atoll, in: Transuranic Elements in the Environment,W. C. Hanson (Ed.), U.S. Department of Energy, DOE/TIC-22800, 1980, p. 541.