Widdig, A., Streich, W. J., Nürnberg, P., Croucher, P. J. P., Bercovitch, F. B., & Krawczak, M. (2006).
Paternal kin bias in the agonistic interventions of adult female rhesus macaques (Macaca mulatta).
Behavioral Ecology and Sociobiology, 61(2), 205-214. doi:10.1007/s00265-006-0251-8.