1. E. J. Underwood, Trace Elements in Human and Animal Nutrition, Academic Press, Inc., New York, 1962.
2. C. L. Comar and F. Bronner (eds.), Mineral Metabolism, Academic Press, Inc., New York, 1962–1964.
3. T. Bersin, Biochemie der Mineral- und Spurenelemente, Akademische Verlagsgesellschaft, Frankfurt am Main, 1963.
4. S. Chaberek and A. E. Martell, Organic Sequestering Agents, Chapter 8, John Wiley and Sons, Inc., New York, 1959.
5. M. J. Seven (ed.), Metal Binding in Medicine, J. B. Lippincott Co., Philadelphia, 1960.