“Total Cross Sections for Electron Scattering from $CF_4$, $C_2F_4$, $C_2F_6$, $C_3F_8$ in the Energy Range from 100 eV to 5000 eV”, JAMS, vol. 6, no. 2, pp. 113–118, Jun. 2015, doi: 10.4208/jams.041115.050915a.