@misc{1156271, author = {Kurt F J Heinrich}, title = {An outline for cooperative action on the determination of x-ray mass attenuation coefficients in the wavelength range from 0.5 to 100 A (25 to 0.12 keV):}, year = {1966}, month = {1966-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.TN.284}, language = {en}, }