000 00290nam a2200145Ia 4500
100 _aBetekhtin/A
650 _aGeneral
942 _cBK
654 _aMinerology
245 _aA course of minerology
260 _bPeace publishers
082 _a549
300 _a642
546 _aENGLISH
999 _c19245
_d19245