@article{Wrede2017,
  author    = {Oliver Wrede},
  title     = {Continuity in travel information},
  journal   = {Information Design Journal},
  volume    = {22},
  number    = {2},
  pages     = {172 -- 178},
  doi       = {10.1075/idj.22.2.09wre},
  year      = {2017},
}