Sandegren, F., R. Bergström, G. Cederlund, and E. Dansie. “SPRING MIGRATION OF FEMALE MOOSE IN CENTRAL SWEDEN”. Alces: A Journal Devoted to the Biology and Management of Moose, vol. 18, Jan. 1982, pp. 210-34, https://www.alcesjournal.org/index.php/alces/article/view/1541.