| Title | Authors | Year |
|---|---|---|
| Increases in soil acidity in north west Wales between 1957 and 1990 |
… |
1991 |
| Acidic deposition: its nature and impacts |
Last, F.T… |
1991 |
| Afforestation and Lake Acidification: A Comparison of Four Sites in Scotland. |
Kreiser, A.… |
1990 |
| Fresh-water acidification - its effects on species and communities of fresh-water microbes, plants and animals |
Muniz, I.P… |
1990 |
| Sediment chemistry and atmospheric contamination |
Rippey, B… |
1990 |
| Fine Root Studies in situ and in the Laboratory. |
Wollmer, H… |
1990 |
| Comparative toxicity of inorganic contaminants released by placer mining to early life stages of salmonids |
Buhl, K. J… |
1990 |
| Phytoavailability and toxicity of beryllium and vanadium |
Kaplan, D… |
1990 |
| The difficulties of abating smoke in Late Victorian York |
Bowler, C… |
1990 |
| The variation in the acidity of ground and surface waters in Northern Ireland |
Jordan, C… |
1990 |