Ewing, Galen Wood, 1914- Instrumental methods of chemical analysis / Galen W. Ewing. - 3rd ed. - New York : McGraw-Hill Tokyo : Kogakusha, c1969. - x, 627 p. : il. - International student edition . Subjects--Topical Terms: Análise instrumental.Química analítica instrumental. Dewey Class. No.: 543.08