White, R.G., Holleman, D.F. and Allaye-Chan, A.C. 1986. Radiocesium concentrations in the lichen-reindeer/caribou food chain: Before and after Chernobyl. Rangifer. 6, 1-App (Jun. 1986), 24–29. DOI:https://doi.org/10.7557/2.6.1-App.579.