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Rome : Food and Agriculture Organization of the United Nations, 1993.
Aquaculture production : graphical summary 1980-1991.
Food and Agriculture Organization of the United Nations, Fishery Information, Data and Statistics Service.
Rome : Food and Agriculture Organization of the United Nations, 1993.
The environmental impact of aquaculture ...
Swedish Council for Planning and Coordination of Research.
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International Council for the Exploration of the Sea.
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