000 00223nam a2200097Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aRAGHUVANSHI (G.S)
245 0 _aENGINEERING PHYSICS
260 _bPHI
942 _2ddc
_cBTECH
999 _c7284
_d7284