1. I. Kawrakow and D. W. O. Rogers, NRCC Rep. PIRS-701; http://www.irs.inms.nrc.ca/EGSnrc/EGSnrc.html .
2. Physics Reference Manual, Version: geant4 9.2 (December 19, 2008); http://geant4.web.cern.ch/geant4/UserDocumentation/UsersGuides/PhysicsReferenceManual/fo/PhysicsReferenceManual.pdf .
3. F. Salvat, J. M. Fernandes-Varea, and J. Sempau, in Proceedings of the Organization for Economic Cooperation and Development (OECD)/Nuclear Energy Agency (NEA) Workshop on Nuclear Fuel Behaviour during Reactivity Initiated Accident, Barcelona, 2006, NEA No. 6222; http://www.nea.fr/html/science/pubs/2006/nea6222-penelope.pdf .
4. I. Kawrakow and A. F. Bielajew, Nucl. Instrum. Methods Phys. Res. B 134, 325 (1998).
5. H. W. Lewis, Phys. Rev. 78, 526 (1950).