@article{LangerLietzeKrizek2020,
  author    = {Karin Langer and Stefanie Lietze and Gerd Christian Krizek},
  title     = {Vector AR3-App. A Good-Practice Example of Learning with Augmented Reality},
  journal   = {European Journal of Open, Distance and E-Learning},
  volume    = {23},
  number    = {2},
  year      = {2020},
}