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♦ ¹DENSITIES OF ANTARCTIC SEABIRDS AT SEA AND THE PRESENCE OF THE KRILL EUPHAUSIA SUPERBA, BRYAN S. OBST, The Auk 102: 540-549. July 1985
♦ ²DIET OF THE PINTADO PETREL DAPTION CAPENSE AT KING GEORGE ISLAND, ANTARCTICA, 1990/91, S. CREET, J.A. VAN FRANEKER, T.M. VAN SPANJE & W.J. WOLFF, Marine Ornithology 22: 221-229 (1995)
♦ ³Food of emperor penguins (Aptenodytes forsteri) in the western Ross Sea, Antarctica, Y. Cherel and G. L. Kooyman, Marine Biology (1998) 130: 335-344