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Aquaculture in the United States : constraints and opportunities ; a report of the Committee on Aquaculture, Board on Agriculture and Renewable Resources, Commission on Natural Resources, National Research Council, National Academy of Sciences
(1978)
The forests of the sea. Life and death on the continental shelf
Culliney, John L., (1979)
A plant ecological survey of the Tugela River Basin
Edwards, Denzil, (1967)