@article{Rodenberg2014,
  author    = {Rudolf Rodenberg},
  title     = {The influence of the f0 meson in the two-photon exchange on the relative ratio of σe-p to σe+p and the polarization of the recoil protons in elastic electron-proton scattering},
  journal   = {Zeitschrift f{\"u}r Naturforschung, A},
  volume    = {20},
  number    = {6},
  pages     = {841 -- 842},
  doi       = {10.1515/zna-1965-0613},
  year      = {2014},
}