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Author Title Year Publication Serial Volume Pages (up)
Schneider, G.; Krueger, K. Third-party interventions keep social partners from exchanging affiliative interactions with others 2012 Animal Behaviour 5492 83 377-387
Massen, J.; Sterck, E.; de Vos, H. Close social associations in animals and humans: functions and mechanisms of friendship 2010 Behaviour 5813 147 1379