000 00266nam a2200109Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aGAUR (RK) & GUPTA (SL)
245 0 _aENGINEERING PHYSICS.
250 _a8TH
260 _bDHANPAT RAI PUB. N. DELHI
942 _2ddc
999 _c98779
_d98779