Thin-layer chromatography : proceedings of the symposium held at the Instituto Superiore di Sanita, Rome, 2-3 May, 1963 / edited by G. B. Marini-Bettolo. - Amsterdam : Elsevier North-Holland, 1964. - 232 p. : ill. ; 24 cm. Includes bibliographical references. Subjects--Topical Terms: Chromatographic analysis.Thin layer chromatography.