Buchkapitel
Engen, H. G.; Singer, T.: Deconstructing social emotions: Empathy and compassion and their relation to prosocial behavior. In: The nature of emotion, 2nd ed. Aufl., S. 233 - 237 (Hg. Davidson, R.; Shackman, A.; Fox, A.; Lapate, R.). Oxford University Press, New York (2018)