An epidemiological investigation into bovine tuberculosis : towards a science-based control strategy ; fourth report /
Independent Scientific Group on Cattle TB.Report(4th:2004)
Bourne, John.
Great Britain.Department for Environment, Food & Rural Affairs
London : Department for Environment, Food and Rural Affairs
2004.
Chairman of the group: John Bourne.
Presented to the Secretary of State for Environment, Food and Rural Affairs, December 2004.
Also available online.