000 00401nam a22001457a 4500
008 230510b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a546.65
_bK3
100 _aTrifonov, D N
_98496
245 _aRare-earth elements
260 _aLondon:
_bPergamon Press,
_c1963
300 _axv, 128p.
650 _aRare earths
942 _2udc
_cBK
999 _c28198
_d28198