P. Valkenburg, T. H. Spraker, M. T. Hinkes, L. H. Van Daele, R. W. Tobey, and R. A. Sellers, “Increases in body weight and nutritional status of transplanted Alaskan caribou”, Ran, vol. 20, no. 5, pp. 133–138, Apr. 2000, doi: 10.7557/2.20.5.1638.