1 | River water quality in the Midlands 1997 |
2 | River water quality in the Midlands 1998 |
3 | The Mersey estuary : a report on environmental quality |
4 | The Mersey Estuary 1992 surveys : summary of results |
5 | A survey of trace metals in biota of the Mersey estuary 1993 |
6 | An environmental assessment of mercury in mussels (Mytilus edulis L.) in the Mersey Estuary : final report |