000 00249nam a2200109Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aMARWAL (Vinay Singh)
245 0 _aENGINEERING MECHANICS
250 _a2000
260 _bCBH
942 _2ddc
_cBTECH
999 _c6348
_d6348