Echo-sounder surveys in the autumn of 1956.
Series: Great Britain. Ministry of Agriculture, Fisheries and Food. Fishery investigations -- ser. 2, v. 22, no. 2.; Fishery investigations -- ser. 2, v. 22, no. 2.
Publisher: H.M.S.O.
Published: 1958
Place of publication: London
Language: eng
Number of pages: 15
Subjects: Herring fisheries -- Great Britain.; Echo sounding in fishing.