1. A. A. Ogloblin and Yu. E. Penionzhkevich, in Proceedings of the International Conference “Treatise on Heavy Ions Science,” Ed. by D. Allan Bromley (Plenum, New Work, 1989), p. 260.
2. Yu. Ts. Oganessian, Pure Appl. Chem. 78, 889 (2006).
3. R. Kalpakchieva, Yu. E. Penionzhkevich, and Kh. G. Bolen, Fiz. Élem. Chastits At. Yadra 29, 832 (1998) [Phys. Part. Nucl. 29, 341 (1998)].
4. R. Kalpakchieva and Yu. E. Penionzhkevich, Fiz. Élem. Chastits At. Yadra 33, 1247 (2002).
5. Yu. E. Penionzhkevich, Phys. Part. Nucl. 25, 394 (1994).