000 00249nam a22001217a 4500
100 _aGUPTA, S. K.
245 _aENGINEERING PHYSICS
250 _a26TH
260 _bKRISHNA
_c2023
300 _a464
650 _aAPPLIED SCIENCES
942 _2ddc
_cBTECH
999 _c3307
_d3307