1. L. I. Brodskii and G. I. Khyutt, Medits. Radiolog., No. 1, 21 (1993).
2. A. A. Brik and V. B. Radchuk, Priroda, No. 2, 3 (1994).
3. L. A. Avvakumova et al., Abstracts of Papers Presented at the All-Union Seminar on Heat and Mass Transport in Growing Crystals, Aleksandrov, 1985, [in Russian], VNIISIMS, Moscow (1985), p. 68.
4. L. A. Avvakumova et al., At. Energ.,69, No. 3, 309 (1990).
5. T. S. Bessonova and V. M. Egorova, At. Energ.79, No. 6, 452 (1995);80, No. 3, 3 (cover) (1996).