@article{RichterKleinknechtGroeschner2019,
  author    = {Dirk Richter and Marc Kleinknecht and Alexander Gr{\"o}schner},
  title     = {What motivates teachers to participate in professional development? An empirical investigation of motivational orientations and the uptake of formal learning opportunities},
  journal   = {Teaching and Teacher Education},
  volume    = {86},
  doi       = {10.1016/j.tate.2019.102929},
  year      = {2019},
}