kalsi, P. S. Spectroscopy of organic compounds / P. S. kalsi. - 6th ed. - New Delhi : New Age In, c2004. - xviii, 631p.: illus.; 24 cm. Includes index. Includes bibliographies. ISBN: 8122415431 LCCN: 65015701 Subjects--Topical Terms: Organic compounds--Spectra. LC Class. No.: QD476 / .D9 Dewey Class. No.: 543.0858/KAS