000 00299nam a22001337a 4500
003 OSt
008 231224b |||||||| |||| 00| 0 eng d
082 _a620.1
_bS94E
100 _aSushil Kumar
245 _aEngineering materials
260 _aMetropolitian
_c1978
300 _a329
942 _2ddc
_cBK
999 _c35020
_d35020