@article{TrainiKleinertBittmann2021,
  author    = {Claudia Traini and Corinna Kleinert and Felix Bittmann},
  title     = {How does exposure to a different school track influence learning progress?},
  journal   = {Research in social stratification and mobility},
  series    = {explaining scissor effects by track in Germany},
  volume    = {76},
  pages     = {285 -- 298},
  doi       = {10.1016/j.rssm.2021.100625},
  year      = {2021},
}