1. Capo, M.A., 1958. Polynomial approximation of gamma ray buildup factors for a point isotropic source. General Electric Atomic Products Division, Aircraft Nuclear Propulsion Department, Cincinnati, Ohio, APEX 510, UC-34 Physics and Mathematics TID-4500, 14th ed.
2. Nuclear Reactor Analysis;Duderstadt,1976
3. Fowler, T.B., Vondy, D.R., Guningham, G.W., 1971. Nuclear Reactor Core Analysis Code: CITATION. Oak Ridge National Laboratory.
4. Greene, N.M., Petrie, L.M., 2000. XSDRNPM A one-Dimensional Discrete-Ordinates Code for Transport Analysis. Oak Ridge National Laboratory, ORNL/NUREG/CSD-2/V2/R6.
5. Measurements of gamma heating in the ESSOR reactor;Guardini;Energia Nucleare,1972