Gupta, S.L.. Elements of spectroscopy / S.L. Gupta, V. Kumar, R.C. Sharma. - 13th ed / . - Meerut : Pragati Prakashan , 1997. - xii,686p. : ills. ; 22cm. . NULL ISBN: 8175560614 NULL Subjects--Index Terms: SPECTROSCOPY Dewey Class. No.: 543.0858 / GUP/E