Skyllberg, U.; Nousiainen, I.; Hansson, P.; Bernhardtson, P.; Andersson, Östen; Nordlund, M. Spring Migration of the Taiga Bean Goose Anser F. Fabalis Along the “Western Flyway” in Northern Sweden: Numbers in 2003—2008 and Timing in Comparison With the “Central Flyway” in Finland. Ornis Svec 2009, 19, 199-214.