00365nam a2200145Ia 4500008004100000020001800041041000800059082001600067100002500083245004300108250000800151260003900159300000900198650001200207231031s2022    xx            000 0 und d  a9788189928223  aeng  a530/GAU/GUP  aGaur R K., Gupta S L  aENGINEERING PHYSICS, (*) (DHANPAT RAI)  a8th  aDELHIbDHANPAT RAI & COMPANYc2022  a64.2  aPhysics