000 00280nam a2200109Ia 4500
008 230222s9999 xx 000 0 und d
100 _aKhanna O P
245 2 _aA T.B. of Material Sceince and Metullargy
250 _a1
260 _bDhanpat Rai & Co.,New Delhi
_c2011
942 _cBK
999 _c31628
_d31628