Willard, Hobart H. Instrumental methods of analysis / Willard, Hobart H. - 7th ed. - xxi, 895 p. : ill. ; 25 cm. Include index. ISBN: 9788123909431 Subjects--Topical Terms: Instrumental analysisAnalytical chemistryPhysical instrumentsChemical apparatus. Dewey Class. No.: 543.19