Spaeth, Douglas F., R. Terry Bowyer, Thomas R. Stephenson, Perry S. Barboza, and Victor Van Ballenberghe. 2002. “NUTRITIONAL QUALITY OF WILLOWS FOR MOOSE: EFFECTS OF TWIG AGE AND DIAMETER”. Alces: A Journal Devoted to the Biology and Management of Moose 38 (January):143-54. https://alcesjournal.org/index.php/alces/article/view/513.