1. USSR State Standard (GOST) 15484-81, Ionizing Radiation and its Measurement, Terms and Definitions.
2. Yu. V. Khol'nov et al., Characteristics of the Radiation of Radioactive Nuclides Used in the National Economy, Handbook [in Russian], Atomizdat, Moscow (1980).
3. M. R. Schmorak, Nuclear Data Sheets,32, No. 1, 164 (1981).
4. V. M. Gorbacev et al., The Interaction of Radiation with the Nuclei of Heavy Elements, and the Fission of Nuclei, Handbook [in Russian], Atomizdat, Moscow (1976).
5. P. Fieldhouse et al., I, Nuclear Energy,21, 131?155, 749?754 (1967).