1) Berger MJ, Hubbell JH, Seltzer SM, et al. XCOM: Photon cross sections database (NBSIR 87-3597). National institute of standards and technology. 1998.
2) Hubbell JH, Seltzer SM. Tables of X-ray mass attenuation coefficients and mass energy-absorption coefficients 1 keV to 20 MeV for elements Z=1 to 92 and 48 additional substances of dosimetric interest. National Institute of Standards and Technology, 1995.
4) Hubbell JH, Veigle WJ, Briggs EA, et al. Atomic form factors, incoherent scattering functions, and photon scattering cross sections. J Phys Chem Ref Data 1975; 4(3): 471-538.
5) Berger MJ, Coursey JS, Zucker MA, et al. Stopping-power and range tables for electrons, protons, and helium ions. National Institute of Standards and Technology, 2001.