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♦ ¹The evolution of neutrally buoyant notothenioid fishes: Their specializations and potential interactions in the Antarctic marine food web, J.T. Eastman, Antarctic Nutrient Cycles and Food Webs, Springer-Verlag 1985
♦ ²Food of emperor penguins (Aptenodytes forsteri) in the western Ross Sea, Antarctica, Y. Cherel and G. L. Kooyman, Marine Biology (1998) 130: 335-344