Call, Josep Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society;
Damerius, L., Forss, S., Kosonen, Z., Burkart, J., Haun, D., Liebal, K., Call, J., Galdikas, B., & van Schaik, C. (2015). Determinants of variation in orangutans' cognitive performance: I. effects of background and housing conditions. Folia primatologica, 86(4), 266.