000 00340nam a2200133Ia 4500
008 210901s1982 xx 000 0 eng d
082 _a546.11 TRI
100 _aTrifonov, D.N.
245 0 _aChemical elements;How they were discovered
260 _aMoscow
_bMir Publishers
_c1982
300 _a264
650 _aChemistry
942 _2ddc
_cBK
999 _c15645
_d15645