1 | A report on the River Chew at Chewton Mendip, 6th August 1992 |
2 | Eutrophication in controlled waters in the Warwickshire Avon catchment (final report). Vol 2 : appendices |
3 | Eutrophication in controlled waters in the Warwickshire Avon catchment (final report). Vol 1 : report and executive summary |