000 00279nam a2200121Ia 4500
008 220201s1967 xx 000 0 eng d
082 _a691
100 _aAhuja, TD
245 2 _aA T.B of engineering materials
260 _bGeeta Prakashan
_c1967
300 _a149
942 _2ddc
999 _c73614
_d73614