Jaren, V., R. Andersen, M. Ulleberg, P. H. Pedersen, and B. Wiseth. “MOOSE - TRAIN COLLISIONS: THE EFFECTS OF VEGETATION REMOVAL WITH A COST-BENEFIT ANALYSIS”. Alces: A Journal Devoted to the Biology and Management of Moose, vol. 27, Jan. 1991, pp. 93-99, https://www.alcesjournal.org/index.php/alces/article/view/1103.