Impacts of changes in sewage disposal on populations of waterbirds wintering on the Northumbrian coast : Report for 2003/04.
Burton, N. H. K.
Goddard, A. P.
Grant, A.
British Trust for Ornithology.
Northumbrian Water Ltd.
British Trust for Ornithology,
2009.
"Report of work carried out by the British Trust for Ornithology under contract to Northumbrian Water Ltd".