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, i 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.