000 00268nam a2200109Ia 4500
008 211126s9999 xx 000 0 und d
082 _a620.112
100 _aO.P.KHANNA
245 2 _aA T.B. OF MATERIAL SCIENCE AND METALLURGY
260 _bDANPAT RAI
942 _cBTECH
999 _c163775
_d163775