000 00332nam a22001457a 4500
020 _a5030007784
082 _a546.1 TRI
100 _aTrifonov,D.N
100 _aTrifonov,V.D
245 _aChemical Elements:Hoe they were discovers
260 _aMIR
_bMoscow
_c1982
300 _a264p.
650 _achemical elements
942 _cREF
999 _c1294
_d1294