Molybdenum and tungsten : their roles in biological processes edited by Astrid Sigel and Helmut Sigel - New York Marcel Dekker 2002 - lix, 810 p. : ill. ; 24 cm Includes bibliographical references and index ISBN: 9780824707651 ISSN: 2002019321 Subjects--Topical Terms: Molybdenum - Physiological effectMolybdenum enzymesTungsten - Physiological effect Dewey Class. No.: 572.51 SIG