Gupta, S L Elements Of Spectroscopy. : Atomic Spectra,X-Ray and X-Ray Spectra, Molecular Binding,Molecular Binding & Laser Physics / by S L Gupta,V Kumar & R C Sharma . - 17th Ed. - Meerut: Pragati Prakashan., 2003. - Xvi,597p.: 20cm. ISBN: 9788183986175 Subjects--Index Terms: Classical mechanics solid mechanics Dewey Class. No.: 531