Cramer, Friedrich, 1923- Paper chromatography. - 2d rev. and enl. ed. translated by Leighton Richards. - London : New York : Macmillan; St. Martin's Press, 1954. - xii, 124 p. il. 24 cm. Bibliografía en: p. 108-116. Subjects--Topical Terms: CHROMATOGRAPHY.CROMATOGRAFIA Universal Decimal Class. No.: 543.544.42