Horton Travis W., Blum Joel D., Xie Zhouqing, Hren Michael, and Chamberlain C. Page. “Stable Isotope Food-Web Analysis and Mercury Biomagnification in Polar Bears (Ursus Maritimus)”. Polar Research 28, no. 3 (December 1, 2009): 443-454. Accessed March 29, 2024. https://polarresearch.net/index.php/polar/article/view/2851.