Garratt, Donald Clarence. The quantitative analysis of drugs / D.C. Garratt ... [et al]. - 3rd ed. - London : Chapman and Hall, [1976] - xiii, 925 p. : ill ; 23 cm. + pbk. Includes index. ISBN: 0412148102 Subjects--Topical Terms: Drug adulteration.Drugs--Analysis Dewey Class. No.: 615.1901