@article{HeisselPietrekFlungeretal.2019,
  author    = {Andreas Heissel and Anou F. Pietrek and Barbara Flunger and Thomas Fydrich and Michael Armin Rapp and Stephan Heinzel and Maarten Vansteenkiste},
  title     = {The Validation of the German Basic Psychological Need Satisfaction and Frustration Scale in the Context of Mental Health},
  journal   = {European Journal of Health Psychology},
  volume    = {25},
  number    = {4},
  pages     = {119 -- 132},
  doi       = {10.1027/2512-8442/a000017},
  year      = {2019},
}