Gupta, S.L., Elements of Spectroscopy : Atomic, Molecular and Laser Physics / by S. L. Gupta, V. Kumar and R.C. Sharma . - 28th ed. - Meerut: Pragati Prakashan, 2016. - xvi; 791 p.: 25 cm. ISBN: 9789385904226 Subjects--Topical Terms: Physics Dewey Class. No.: 535.84