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2. Cournoyer, M.E.; Staudhammer, K. Los Alamos National Laboratory, Los Alamos, New Mexico, February 2005, LA-UR-04-0909.
3. A mechanism for plutonium pyrophoricity
4. Hightower, J.R.; Trabalka, J.R. Argonne National Laboratory, Chicago, IL, February 2000, ANL/TD/CP-84441.