@article{MehlerHematiWelkeetal.2020,
  author    = {Alexander Mehler and Wahed Hemati and Pascal Welke and Maxim Konca and Tolga Uslu},
  title     = {Multiple texts as a limiting factor in online learning: quantifying (dis-)similarities of knowledge networks},
  journal   = {Frontiers in education},
  volume    = {5},
  number    = {Article 562670},
  doi       = {10.3389/feduc.2020.562670},
  year      = {2020},
}