@incollection{Graf2017,
  author    = {Graf, Johannes},
  title     = {Der Wecker - von Anfang an dabei},
  booktitle = {Rasselbande: kleine Kulturgeschichte des Weckers},
  isbn      = {978-3-922673-36-1},
  pages     = {8 -- 17},
  year      = {2017},
  language  = {de}
}