E. D. Groot

Mechanisms of reciprocity in primates: testing for short-term contingency of grooming and food sharing in bonobos and chimpanzees

A. Jaeggi, C. P. Schaik, J. Stevens, 2013 .

A survey of foot problems, stereotypic behaviour and floor type in Asian elephants ( Elephas maximus) in European zoos

J. Dewulf, I. Kalmar, E. D. Groot, 2013 .

Relationship quality in captive bonobo groups

J. Stevens, N. Staes, E. D. Groot, 2015 .