Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TANUMA Shigeo and POWELL C. J. and PENN D. R.,Dependence of electron inelastic mean free paths on electron energy and materials at low energy region. I: Elements.,Shinku,05598516,The Vacuum Society of Japan,1990,33,2,58-62,https://cir.nii.ac.jp/crid/1390282679041346816,https://doi.org/10.3131/jvsj.33.58