Fox, A. D.; Hilmarsson, J. O.; Einarsson, O.; Boyd, H.; Kristiansen, J. N.; Stroud, D. A.; Walsh, A. J.; Warren, S. M.; Mitchell, C.; Francis, I. S. Phenology and Distribution of Greenland White-Fronted Geese Anser Albifrons Flavirostris Staging in Iceland. Wildfowl 1999, 29-43.