Valkenburg, P., Spraker, T. H., Hinkes, M. T., Van Daele, L. H., Tobey, R. W. and Sellers, R. A. (2000) “Increases in body weight and nutritional status of transplanted Alaskan caribou”, Rangifer, 20(5), pp. 133–138. doi: 10.7557/2.20.5.1638.