@misc{filler2021who,
  author = {Dr Who},
  title = {{Fillerama}},
  howpublished = "\url{http://fillerama.io/}",
  year = {2021}, 
  note = "[Online; letzter Zugriff 03.04.2021]"
}

@misc{filler2021python,
  author = {Monty Python},
  title = {{Holy Filler Grail}},
  howpublished = "\url{http://fillerama.io/}",
  year = {2021}, 
  note = "[Online; letzter Zugriff 03.04.2021]"
}

@misc{filler2021fut,
  author = {Futurama},
  title = {{Fillerama}},
  howpublished = "\url{http://fillerama.io/}",
  year = {2021}, 
  note = "[Online; letzter Zugriff 03.04.2021]"
}