000 00270nam a2200109Ia 45e0
008 181001s1973 xx 000 0 und d
100 _aChoudhary
245 0 _aEngineering materials
260 _bOxford Univ.
_c1973
300 _a332
942 _2ddc
_cBK
999 _c2167
_d2167