000 00247nam a2200109Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aGAUR (RR)
245 0 _aBASIC APPLIED PHYSICS
250 _a3RD
260 _bDHANPAT RAI & SONS
942 _2ddc
999 _c96455
_d96455