@misc{RaetzelWilkensMenzel2016,
  author    = {Dennis R{\"a}tzel and Martin Wilkens and Ralf Menzel},
  title     = {Gravitational properties of light},
  institution = {Institut f{\"u}r Physik und Astronomie},
  series    = {Zweitver{\"o}ffentlichungen der Universit{\"a}t Potsdam : Mathematisch-Naturwissenschaftliche Reihe},
  number    = {222},
  type      = {postprint},
  year        = {2016},
}