Gupta , S L Elements of spectroscopy : atomic, molecular and laser physics / S L Gupta ; V. Kumar and R. C Sharma - 28th ed. - Meerut : Pagati Prakashan, 2016. - xvi, 791 p. ; ill. : 24 cm. It includes bibliographical information and index. ISBN: 9789385904226 Subjects--Topical Terms: ChemistrySpectroscopyAtomicMolecularLaser physic Dewey Class. No.: 535.84 / GUP