1. R.T. Perry, W.B. Wilson, Neutron production from (α,n) reactions and spontaneous fission in ThO2, UO2 and (U,Pu)O2 fuels, Los Alamos National Laboratory Report LA-8869-MS (1981)
2. W.B. Wilson, R.T. Perry, J.E. Stewart, T.R. England, D.G. Madland, E.D. Arthur, Development of the SOURCES code and data library for the calculation of neutron sources and spectra from (α,n) reactions, spontaneous fission, and β− delayed neutrons, Los Alamos National Laboratory Report LA-9841-PR, 1983, p. 65
3. W.B. Wilson, T.R. England, W.C. Hopkins, R.T. Perry, SOURCES calculation of TMI-2 spontaneous-fission and (α,n) neutron sources, Los Alamos National Laboratory Report LA-10288-PR, 1984, p. 61
4. R.T. Perry, W.B. Wilson, Alpha-N and spontaneous fission sources from individual plutonium isotopes in PuF4 and PuO2, Los Alamos National Laboratory Report LA-UR-96-1859 (1996)