Geometric shielding corrections for total cross section calculations of electron scattering by CH4, C2H6, C2H3F3, C2H4, C2F4, C2Cl4 and C2Cl2F2 from 30–5000 eVD. H. Shi, J. F. Sun, Z. L. Zhu, H. Ma and Y. F. LiuEur. Phys. J. D, 45 2 (2007) 253-259DOI: https://doi.org/10.1140/epjd/e2007-00235-1