| Title | Authors | Year |
|---|---|---|
| The decrease of rich fen Bryophytes in the Netherlands. |
Kooijman, A… |
1992 |
| Lichen Flora of Great Britain and Ireland |
Purvis, O.W… |
1992 |
| Conservation of freshwater fish in the British Isles: the status of fish in National Nature Reserves |
Lyle, A.A… |
1992 |
| Deposition of Atmospheric Ammonia to Moorlands. |
Sutton, M.A… |
1992 |
| nitrogen cycle in Lough Neagh, N. Ireland, 1975 to 1987 |
Gibson, C.E… |
1992 |
| The Effects of Low Ph and Aluminum on Breeding Success in the Frog Rana-Temporaria |
Beattie, R.… |
1992 |
| Environmental Health Criteria 135 Cadmium - Environmental Aspects |
WHO, |
1992 |
| Ectomycorrhizal colonisation of loblolly pine seedlings during three growing seasons in response to ozone, acidic precipitation and soil Mg status |
Edwards, G.… |
1992 |
| Nitrate in soil water |
Westling, O… |
1991 |
| Effects of nitrogen loading on wetland ecosystems, with particular reference to atmospheric deposition |
Morris, J.T… |
1991 |