@article{BruttelFriehe2015,
  author    = {Lisa Verena Bruttel and Tim Friehe},
  title     = {A note on making humans randomize},
  journal   = {Journal of behavioral and experimental economics},
  volume    = {58},
  pages     = {40 -- 45},
  doi       = {10.1016/j.socec.2015.06.008},
  year      = {2015},
}