Pika, Simone Linguistic and Cultural Evolution, Max Planck Institute for the Science of Human History, Max Planck Society;
Sima, M. J., Matzinge, T., Bugnya, T., & Pika, S. (2018). Reconciliation and third-party affiliation in carrion crows. Ethology, 124(1), 33-44. doi:10.1111/eth.12699.