1 | River water quality in the Midlands 1997 |
2 | River water quality in the Midlands 1998 |
3 | 1995 drought report : a report on the severity of the drought of 1995 and its effect in the Severn and Trent catchments |
4 | Conservation in the Severn-Trent Region (NRA Severn-Trent 57)
|
5 | Acidification of freshwaters: the threat and its mitigation |