Dewan, S.K. Organic spectroscopy NMR, IR, Mass and UV S.K. Dewan. - New Delhi CBS Publishers and Distributors 2020 - xviii, 662p.; 24cm. ISBN: 9788123919065 Subjects--Topical Terms: Analytical Chemistry Spectrum Analysis; Spectroscopy. Dewey Class. No.: 547.30858 / D38O