Belcher, James E. A course in qualitative analysis : based on macro and semi-micro methods. - Boston : H.Mifflin, 1938. - 265 p. : il. ; 28 cm Subjects--Topical Terms: QuímicaAnálisis cualitativoMetodologíaQuímica analítica Index Terms--Genre/Form: Libro Universal Decimal Class. No.: 543.061