000 00250nam a2200109Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aKUMAR (D S)
245 0 _aENGINEERING MECHANICS
250 _a3
260 _bS.K.KATARIA SONS
942 _2ddc
_cBTECH
999 _c6609
_d6609