1. The geometrical efficiency of a parallel-disc source and detector system
2. J.G. Poksheva, Alpha-voltaic study of the radiation damage imparted by 4-MeV alpha particles to Si solar cells, Lawrence Radiation Laboratory Report UCRL-16061.
3. I.R. Williams, A.M. Craig, Jr. and C.L. Thompson, A Fortran program for calculating the solid angle subtended by one circular disc at another, Oak Ridge National Laboratory Report ORNL-4099.
4. Monte Carlo calculation of source-to-detector geometry
5. Flux density close to the target of a neutron generator