000 00396nam a2200157Ia 4500
008 231031s2022 xx 000 0 und d
020 _a9788189928223
041 _aeng
082 _a530/GAU/GUP
100 _aGaur R K., Gupta S L
245 _aENGINEERING PHYSICS, (*) (DHANPAT RAI)
250 _a8th
260 _aDELHI
_bDHANPAT RAI & COMPANY
_c2022
300 _a64.2
650 _aPhysics
999 _c918149
_d918149