1. Shielding data for hadron-therapy in accelerators: attenuation of secondary radiation in concrete;Agosteo;Nucl. Instrum. Methods Phys. Res. B,2014
2. Analitical shielding calculations for a proton therapy facility;Avery;Radiat. Protect. Dosim.,2008
3. A Sample Problem for Variance Reduction in MCNP;Booth,1985
4. Short introduction to spallation reactions;Cugnon;Few Body Syst.,2014