| Title | Authors | Year |
|---|---|---|
| Lichen Flora of Great Britain and Ireland |
Purvis, O.W… |
1992 |
| Halogen emissions from coal combustion |
Sloss, L.L… |
1992 |
| Acid Soil and Acid Rain |
Kennedy, I.… |
1992 |
| Soil acidification as caused by the nitrogen uptake pattern of Scots pine |
Arnold, G… |
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 |
| Bryophytes and Lichens in a Changing Environment. |
Bates, J.W… |
1992 |
| A Review of the Likely Causal Pathways Relating the Reduced Density of Breeding Dippers Cinclus-Cinclus to the Acidification of Upland Streams |
Tyler, S.J… |
1992 |
| Critical Load Maps for the United Kingdom I: Soil |
UKCLAG, |
1991 |
| Nitrate in soil water |
Westling, O… |
1991 |