000 00290nam a2200133Ia 4500
100 _aGaur/R.K & gupta S.L
250 _a8
942 _cBK
654 _aengineering
245 _aEngineering physics
260 _bDHANPAT RAI AND SONS
_c2001
082 _a530
_bGAU/GUP
546 _aENGLISH
999 _c23623
_d23623