000 00233nam a2200097Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aSURENDRA SINGH
245 0 _aSTRENGH OF MATERIAL
260 _bS.K.KATARIA SONS
942 _2ddc
_cBTECH
999 _c7303
_d7303