@article{barker_annerstedt_2014, 
  title={Managing physical education lessons: an interactional approach}, 
  volume={21}, 
  DOI={10.1080/13573322.2014.969229}, 
  publisher={Informa UK Limited}, 
  author={Barker and Annerstedt}, 
  year={2014}, 
  month={Nov}
  }