@article{Geigy2012,
  author    = {Rudolf Geigy},
  title     = {Gedanken zur Schaffung einer Film-Enzyklop{\"a}die},
  journal   = {Research film = Le film de recherche = Forschungsfilm},
  volume    = {2.1956},
  number    = {3},
  pages     = {145 -- 150},
  year      = {2012},
}