@article{TimmeBrand2020,
  author    = {Sinika Timme and Ralf Brand},
  title     = {Affect and exertion during incremental physical exercise: Examining changes using automated facial action analysis and experiential self-report},
  journal   = {PLoS ONE},
  volume    = {15},
  number    = {2},
  pages     = {1 -- 17},
  doi       = {10.1371/journal.pone.0228739},
  year      = {2020},
}