000 00297nam a2200121Ia 4500
008 220201s1990 xx 000 0 eng d
082 _a621
_bMAT
100 _aMathur,S B
245 0 _aMechanical engineering (objective type)
260 _adelhi
_bDhanpat Rai
_c1990
300 _a829
942 _2ddc
999 _c33720
_d33720