1. I. ZVARA, Isotopenpraxis, 26 (1990) 251.
2. B. EICHLER, B., V. P. DOMANOV, Report JINR R12-7775, Dubna, 1974.
3. I. ZVARA, in Problems of Prognosis in the Structure of Materials Science, Moscow, Nauka, 1976, p. 92.
4. R. D. SHANNON, Acta Crystalogr. A32 (1976) 751.
5. I. ZVARA, Proc. Intern. School-Seminar on Heavy Ion Physics, JINR D7-86-434, Dubna, 1986, p. 145.