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♦ ¹The diet of haddock (Melanogrammus aeglefinus L.) in the Barents Sea during the period 1984–1991, Weimin Jiang and Terje Jørgensen, ICES J. mar. Sci., 53: 11–21. 1996
♦ ²An estimate of summer food consumption of six seabird species in Iceland, K. Lilliendahl and J. Solmundsson, ICES Journal of Marine Science, 54: 624–630. 1997