The effects of fishing at low water levels /
Great Britain.Salmon Advisory Committee.
Great Britain.Ministry of Agriculture, Fisheries and Food.
Great Britain.Department of Agriculture and Fisheries for Scotland.
Great Britain.Welsh Office.Agriculture Department.
London : The Committee,
1990.
Prepared for the Ministry of Agriculture, Fisheries and Food, Department of Agriculture and Fisheries for Scotland, Welsh Office, Agriculture Department.
Salmon fisheries