00416nam a2200157Ia 4500100001700000650001200017942000700029654001500036245002700051260002100078082000800099300000800107546001200115999001700127952011400144  aBetekhtin/A   aGeneral  cBK  aMinerology  aA course of minerology  bPeace publishers  a549  a642  aENGLISH  c19245d19245  001040708AFTaCRCEbCRCEd2023-03-17g9.60iP.P.H.5974l0o549 pAFT1363r2023-03-17v9.60w2023-03-17yBK