@article{SallenAndraeLudygaetal.2020,
  author    = {Jeffrey Sallen and Christian Andr{\"a} and Sebastian Ludyga and Manuel M{\"u}cke and Christian Herrmann},
  title     = {School children's physical activity, motor competence, and corresponding self-perception},
  journal   = {Journal of physical activity and health},
  series    = {a longitudinal analysis of reciprocal relationships},
  volume    = {17},
  number    = {11},
  pages     = {1083 -- 1090},
  doi       = {10.1123/jpah.2019-0507},
  year      = {2020},
}