000 00312nam a2200133Ia 4500
005 20260413100314.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aGaur, R.K.
245 0 _aEngineering Physics
260 _bDelhi ,Dhanpat Rai
_c1992
300 _a1020
942 _cBB
999 _c121
_d121