TY  - BOOK
AU  - A K & Lavrukhina and A A Pozdnyakon 
AU  - Lavrukhina, A K &     Pozdnyakon, A A 
TI  - Analytical chemistry of Technetium, Promethiu_m, Astatine anf Francium tr. by R.kondor 
U1  - 546.5431, LAV  
PY  - 1970///
CY  - London
PB  - Arbor-Humphrey
ER  -