Kumar, Raj Atomic & Molecular Spectra / by Raj Kumar - 5th ed. - Meerut: Kedar Nath Ram Nath, 2020. - 555p. ISBN: 9789380803302 Subjects--Topical Terms: Hydrogen AtomPhysicsRaman SpectraX-ray Spectra Dewey Class. No.: 531.16 / KUM/A