| Title | Authors | Year |
|---|---|---|
| Statutory Instrument (1989): The Sludge (Use in Agriculture) Regulations |
HMSO, |
1989 |
| Interacting effects of soil acidity and canopy cover on the species composition of field layer vegetation in oak/hornbeam forests |
Tyler, G.… |
1989 |
| Simulation of the long-term soil response to acid deposition in various buffer ranges |
Vries, W.;… |
1989 |
| Forest decline and Air Pollution |
Schulze, E.… |
1989 |
| The acidification of Scottish lochs |
Battarbee,… |
1989 |
| Long term changes in the acidity of forest soils in north east Scotland |
Billett, M.… |
1988 |
| Effects of excessive ammonium deposition on the nutritional status and condition of pine needles |
Dijk, H.F.G… |
1988 |
| Environmental Health Criteria 61 Chromium |
WHO, |
1988 |
| Understanding the Pollution Sensitivity of Lichens |
Richardson… |
1988 |
| Environmental Health Criteria 81 Vanadium |
WHO, |
1988 |