Cole, A. R., Graham, K. E., Holekamp, K. E., Horn, R. C. V., Memenis, S. K., Powning, K. S., & Smith, J. E. Evolutionary forces favoring intragroup coalitions among spotted hyenas and other animals.

Cole, Alison R., Katharine E. Graham, Kay E. Holekamp, Russell C. Van Horn, Sandra K. Memenis, Katherine S. Powning, ja Jennifer E. Smith. Evolutionary Forces Favoring Intragroup Coalitions Among Spotted Hyenas and Other Animals.

Cole, Alison R., et al. Evolutionary Forces Favoring Intragroup Coalitions Among Spotted Hyenas and Other Animals.