@incollection{Ruf2021,
  author    = {Oliver Ruf},
  title     = {Medien und Kommunikation und Kontext. Zum Programm einer Medien{\"o}kologie der Gegenwart},
  series = {Grabbe, Ruf et al. (Eds.): Eric McLuhan and the Media Ecology in the XXI Century},
  publisher = {B{\"u}chner-Verlag},
  address   = {Marburg},
  isbn      = {978-3-96317-243-4},
  pages     = {78 -- 105},
  year      = {2021},
  language  = {de}
}