@article{TopolinskiStrack2015,
  author    = {Sascha Topolinski and Fritz Strack},
  title     = {Corrugator activity confirms immediate negative affect in surprise},
  journal   = {Frontiers in Psychology},
  volume    = {6},
  number    = {134},
  doi       = {10.3389/fpsyg.2015.00134},
  year      = {2015},
}