| Citation | Holden, M.J., 1981, Long term changes in landings of fish from the North Sea with particular reference to the periods 1930-38 and 1960-69.. Symposium on the Changes in North Sea Fish Stocks and their Causes. No. 15. |
| Ref. | 10258 Holden, M.J., 1981 |
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| Named Used as Valid | Gadus morhua |
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