@article{SchmidtBrunnerKelleretal.2017,
  author    = {Isabelle Schmidt and Martin Brunner and Lena Keller and Vsevolod Scherrer and Rachel Wollschlager and Tanja Gabriele Baudson and Franzis Preckel},
  title     = {Profile formation of academic self-concept in elementary school students in grades 1 to 4},
  journal   = {PLoS one},
  volume    = {12},
  doi       = {10.1371/journal.pone.0177854},
  year      = {2017},
}