00301nam a2200109Ia 4500008004100000020001500041082001500056100001700071245005900088260003600147300000800183250402s9999    xx            000 0 und d  a9380803656  a539bTRI-E  aTRIPATHI D.N 0aELEMENTS OF QUANTUM MECHANICS ATOMIC MOLECULAR SPECTRA  aMEERUTbKEDARNATH RAMNATHc2021  a372