Holleman, D. F., R. G. White, and A. C. Allaye-Chan. “Modelling of radiocesium transfer in the lichen-reindeer/caribou-wolf food chain”. Rangifer 10, no. 3 (September 1, 1990): 39–42. Accessed June 7, 2025. https://new.eludamos.org/index.php/rangifer/article/view/819.