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 2015, 6 (2), 113-118. https://doi.org/10.4208/jams.041115.050915a.