Ryabchikov, D.I. The Analytical chemistry of thorium D.I. Ryabchikov and E.K. GolBraikh Translated by A.D. Norrist. - Oxford Pergamon Press 1963 - xiii, 316p.: ill. - (International series of monographs on analytical chemistry, v.10). . V.10. Subjects--Topical Terms: Thorium. Dewey Class. No.: 543 / R99A