Notes References Bibliography Penneman, R. A. and Keenan T. K. The radiochemistry of americium and curium, University of California, Los Alamos, California, 1960 Further reading Nuclides and Isotopes – 14th Edition, GE Nuclear Energy, 1989. External links Americium at The Periodic Table of Videos (University of Nottingham) ATSDR – Public Health Statement: Americium World Nuclear Association – Smoke Detectors and Americium Chemical elements Chemical elements with double hexagonal close-packed structure Actinides Carcinogens Synthetic elements