1 | The release of ammonium and phosphorus from the sediments of the River Ant and Barton Broad : interim report |
2 | Environmental snapshot for the Anglian region 2002 |
3 | National marine baseline survey 1995 : littoral cell 3 : the Wash to the Thames |
4 | National marine baseline survey 1995 : littoral cell 2 : Flamborough Head to the Wash |