@article{FeldtZimmermannBergersenetal.2018,
  author    = {Robert Feldt and Thomas Zimmermann and Gunnar Bergersen and Davide Falessi and Andreas Jedlitschka and Natalia Juristo and J{\"u}rgen M{\"u}nch and Markku Oivo and Per Runeson and Martin Shepperd},
  title     = {Four commentaries on the use of students and professionals in empirical software engineering experiments},
  journal   = {Empirical software engineering : an international journal},
  volume    = {23},
  number    = {6},
  pages     = {3801 -- 3820},
  doi       = {10.1007/s10664-018-9655-0},
  year        = {2018},
}