Van Loon, J. C. 1937- Selected methods of trace metal analysis : biological and environmental samples / Jon C. Van Loon. - New York : Wiley, c1985. - xix, 357 p. : ill. - Chemical analysis ; v. 80. . "A Wiley-Interscience publication." ISBN: 0471896349 Subjects--Topical Terms: Trace elements--Analysis.