000 00234nam a2200097Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aGUPTA (B.L.)
245 0 _aMECHANICAL ENGG VII SEM
260 _bN.K.PUBLICATION
942 _2ddc
_cBTECH
999 _c5339
_d5339