SMITS, C. M. M.; WARD, R. M. P.; LARSEN, D. G. HELICOPTER OR FIXED-WING AIRCRAFT: A COST-BENEFIT ANALYSIS FOR MOOSE SURVEYS IN YUKON TERRITORY. Alces: A Journal Devoted to the Biology and Management of Moose, [S. l.], v. 30, p. 45–50, 1994. Disponível em: https://www.alcesjournal.org/index.php/alces/article/view/933. Acesso em: 20 may. 2022.