Call, Josep Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society;
Bourjade, M., Thierry, B., Call, J., & Dufour, V. (2012). Are monkeys able to plan for future exchange? Animal Cognition, 15(5), 783-795. doi:10.1007/s10071-012-0502-1.