Valkenburg, P., R. A. Sellers, R. C. Squibb, J. D. Woolington, A. R. Aderman, and B. W. Dale. “Population Dynamics of Caribou Herds in Southwestern Alaska”. Rangifer, vol. 23, no. 5, Apr. 2003, pp. 131-42, doi:10.7557/2.23.5.1694.