Williams,Dudley H. Spectroscopic Methods in Organic Chemistry / by Dudley H.Williams & Ian Fleming - 4th ed. - New Delhi: Tata McGraw -Hill, 1987. - viii,246p. ISBN: 0070996539 Subjects--Topical Terms: ChemistryMass SpectraOrganic ChemistrySpectroscopic Dewey Class. No.: 547 / WIL/S