1 | Domesday to the dawn of the new millennium : 900 years of the Don Fishery |
2 | Impact of the signal crayfish Pacifastacus leniusculus and its associated crayfishery on the River Thame |
3 | The effects of water resources management on the rivers Bure, Wensum and Nar in North Norfolk : Final project report to the National Rivers Authority. July 1994 |
4 | Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996 |