Preston, Seaton T. A guide to the analysis of amines by gas chromatography / by Seaton T. Preston, Jr. - 2nd ed. - Niles, Ill. : PolyScience Corporation, c1973. - 32 [17] p. : ill. ; 24 cm. Bibliography: p. E1 - E17. Subjects--Topical Terms: Gas chromatography.Amines--Analysis.