Jónsson, Jón Einar, and Alan D. Afton. “Does Organ and Muscle Plasticity Vary by Habitat or Age in Wintering Lesser Snow Geese Anser Caerulescens Caerulescens?”. Wildfowl, Nov. 2017, pp. 19-43, https://tidsskrift.dk/Wildfowl/article/view/154423.