Sigel, Helmt Metal ions in biological systems vol: 30 Metalloenzymes involving amino acid-residue and related radicals ed by Helmut Sigel and Astrid Sigel - New York Marcel Dekker 1994 - xxxiii, 494p. ISBN: 0-8247-909-6 Subjects--Topical Terms: Metal ions in biological systems Dewey Class. No.: 574.19 / SIG/M