Keep fish diseases out : a guide to protecting freshwater fish stocks from gyrodactylosis and other serious fish diseases /
Great Britain.Department for Environment, Food & Rural Affairs
Great Britain.Environment Agency.
Scotland.Environment and Rural Affairs Department.
Wales.Welsh Assembly Government.
Northern Ireland.Department of Agriculture and Rural Development.
[London] : DEFRA,
[2005]
PB 10788.
Cover title.
Includes bibliographical references.