00305nam a2200133Ia 45000030006000000080041000060400015000471000030000622450021000922500011001132600018001245460012001420050017001540STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aKhurmi, R.S.; Sedha, R.S.  aMaterial science  aFourth  bS.Chandc1999  aEnglish20220125170300.0