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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
♦ ²Towards the trophic structure of the Bouvet Island marine ecosystem, U. Jacob, T. Brey, I. Fetzer, S. Kaehler, K. Mintenbeck, K. Dunton, K. Beyer, U. Struck , E.A. Pakhomov and W.E. Arntz, Polar Biology, 29 (2). pp. 106-113 (2006)