GUPTA, S.L. Kumar, V. Sharma, R.C. Elements of spectroscopy (atomic, molecular and laser physics) / [by] S.L.Gupta, V.Kumar, R.C.Sharma - 12th ed. - Meerut Pragati prakashan 1996 - xii, 688 p. Includes index. ISBN: 8175560347 Subjects--Topical Terms: Spectroscopy Dewey Class. No.: 543.5 / GUP