1. https://www.eichrom.com/wp-content/uploads/2018/02/Neutron-Attenuation-White-Paper-by-D-M-rev-2-1.pdf
2. Kak AC, Slaney M (1987) Principles of computerized tomographic imaging. IEEE Press
3. Herman GT (1980) Image reconstruction from projections: the fundamentals of computerized tomography. Academic Presss
4. Natterer F (1986) The mathematics of computerized tomography. Wiley, New York
5. Radon J (1917) On the determination of functions from their integrals along certain manifolds [in German]. Math Phys Klass 69:262–277