Sasse, Julia Max Planck Institute for Research on Collective Goods, Max Planck Society;
https://doi.org/10.1371/journal.pone.0202163 (Any fulltext)
Sasse, J., Spears, R., & Gordijn, E. (2018). When to reveal what you feel: How emotions towards antagonistic out-group and third party audiences are expressed strategically. PLOS ONE, 13(9): e0202163.