TY - RPRT TI - X-ray attenuation coefficients (total cross sections) : comparison of the experimental data base with the recommended valued of Henke and the theoretical values of Scofield for energies between 0.1-100 keV AU - Saloman, E B AU - Hubbell, J H PY - 1986 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 86-3431 DO - 10.6028/NBS.IR.86-3431 ER -